Insomnia: why you are not sleeping well and what helps
What insomnia really is
Insomnia is not simply having the occasional bad night. It is a persistent sleep disorder that affects more than 30% of adults at some point in their lives. In practice I see how chronic insomnia changes the daily functioning of those who live with it.
When someone comes into the pharmacy saying they are not sleeping well, I listen carefully to the pattern. Can you not fall asleep? Do you wake at 3am and cannot get back to sleep? Do you sleep for eight hours but wake exhausted as if you had not rested at all? Each pattern tells a different story about what is happening in the body.
Of adults report chronic or episodic insomnia. In people over 60, that figure rises to around 50%. The important point is that most do not need medication — they need help restoring their natural circadian rhythm.
What I see in community pharmacy is that insomnia often responds well to natural approaches when applied consistently. It is not magic — it is understanding how your biology works and respecting processes that have evolved over millions of years.
How your sleep cycle works
I want to be precise here because your body runs on chemistry. During sleep your brain cycles through four stages. Each complete cycle lasts approximately 90 minutes. Once you understand this, you understand why eight hours of poor-quality sleep can leave you more depleted than six hours of consolidated, well-structured sleep.
The four sleep stages explained
N1 (light sleep): The transition from wakefulness to sleep. It lasts around 5–10 minutes. Your body begins to relax, heart rate drops, core temperature falls. If something wakes you at this point, it feels as if you "did not sleep at all" because you were only just drifting off.
N2 (intermediate sleep): You are more deeply asleep but still somewhat sensitive to noise. This is where much of the maintenance work happens: memory consolidation, mild cellular repair. You spend roughly 45% of total sleep time in N2. It is where your body genuinely starts to recover from the day.
N3 (deep sleep): The gold of the sleep cycle. Your brain produces slow delta waves, muscles fully relax, blood pressure drops and the body enters deep repair mode. Growth hormones are released. The immune system restores itself. This is one reason why aiming for at least seven hours matters — you need multiple complete cycles to reach N3 several times each night.
REM (rapid eye movement): Your brain is nearly as active as when you are awake, but the body is effectively paralysed. This is when dreaming occurs, emotions are processed and emotional memories are consolidated. Early cycles contain relatively little REM; the later cycles towards early morning are almost entirely REM.
Duration of a full sleep cycle. To gain the full benefits, you need four to five complete cycles — which means a minimum of six to seven-and-a-half hours. Shorter nights specifically compromise N3 deep sleep, where muscular and hormonal repair takes place.
The biochemical cascade: melatonin, serotonin and tryptophan
What actually controls all of this is a cascade of neurotransmitters that begins in your gut. The body obtains tryptophan from dietary protein. In the gut, beneficial bacteria convert tryptophan into 5-HTP, which the body then converts into serotonin. Serotonin supports normal mood and alertness during the day. Then — and this is where it becomes interesting — as light levels fall in the evening, your pineal gland converts some of that serotonin into melatonin.
Melatonin is often called the sleep hormone. It is not a sedative — it is a hormonal signal that tells your body clock it is time to rest. When melatonin rises, cortisol (the main stress hormone) tends to fall, core body temperature drops and everything begins to synchronise for sleep. Blue light from screens suppresses melatonin release. Sustained work stress raises cortisol, which competes with melatonin's signal. Low magnesium can slow parts of the serotonin pathway. You can see how these factors link together.
Your body also relies on GABA (gamma-aminobutyric acid), which quietens excessive nervous system activity. When GABA activity is low, the mind keeps racing at two in the morning. Herbal ingredients such as valerian and ashwagandha are thought to support GABA-related pathways, which is why I reach for them in practice.
The most common causes of insomnia
In community pharmacy I see the same patterns repeatedly. The difference between someone who sleeps well and someone who does not usually comes down to one of these factors, or a combination of several:
| Main cause | Typical symptoms | What happens in the body |
|---|---|---|
| Stress and anxiety | Racing thoughts, rumination, waking at 3–4am | Raised cortisol, low GABA activity, overactive amygdala |
| Screens and blue light | Late sleep onset, shallow or fragmented sleep | Melatonin suppressed, circadian rhythm disrupted |
| Irregular schedule | Unpredictable sleep, constant low-level fatigue | Circadian rhythm out of sync with daily routine |
| Low magnesium intake | Restlessness, night-time cramps, broken sleep | Increased neuronal excitability, tense muscles |
| Gut inflammation or imbalance | Shallow sleep, multiple awakenings overnight | Reduced populations of serotonin-producing gut bacteria |
| Late caffeine intake | Difficulty falling asleep, fragmented night | Adenosine receptors blocked, sleep pressure cannot build normally |
What I observe is that most people have several overlapping causes rather than just one. A woman in her early fifties may arrive with work stress, screen use until 11pm, low magnesium intake and gut symptoms. These reinforce each other. So when someone comes in saying "just give me something to help me sleep," the first thing I do is ask about their wider life context.
Who may benefit from sleep support
To help you decide whether this applies to you, here are the profiles I most commonly see in practice. See whether any sound familiar:
You work 10–12 hour days and your mind stays in alert mode. You fall asleep late (around 11–11:30pm). You wake at 3–4am with work thoughts running through your head, or experience repeated micro-awakenings every 30 minutes or so. Sleep quality feels poor rather than restorative. A combination of melatonin for circadian timing, magnesium for muscle and nervous system relaxation, and valerian to quiet the mind is typically what I would suggest in this situation.
You regularly change time zones, work night shifts, or your schedule rotates weekly. Your circadian rhythm rarely settles into a stable pattern and your melatonin release becomes mistimed. In these situations I tend to suggest timed melatonin at appropriate doses for the schedule, alongside magnesium for stabilisation, and consistent sleep hygiene habits to help resynchronise more quickly.
Melatonin production naturally declines with age. You may wake three or four times per night even with eight hours in bed. Deep sleep feels shallow and unrefreshing. Low-dose melatonin, magnesium (both tend to decline with age) and valerian-based products are commonly considered in this group, ideally discussed with a GP or pharmacist first.
When underlying anxiety is prominent the nervous system struggles to switch off. You may fall asleep initially but experience anxious dreams, nightmares or wake with a racing heart. Magnesium may help reduce neuronal excitability; ashwagandha and valerian are both used to support GABA-related pathways. Where anxiety is significant, psychological support alongside supplements is worth considering.
Fluctuating oestrogen and progesterone levels can lead to night sweats, cyclical insomnia and repeated awakenings. Magnesium is commonly depleted around menstruation; ashwagandha is used for stress-related hormonal balance; melatonin may be appropriate where levels have dropped. If vasomotor symptoms are significant, discussing HRT options with a GP alongside lifestyle and supplement measures is worth raising.
Supplements that may genuinely help: an evidence overview
There are hundreds of brands making claims about sleep, but most lack the right doses or the ingredient synergy that clinical research actually supports. After 25 years in community pharmacy, I have a clear sense of what tends to work in practice. I only recommend products where the evidence behind the ingredients holds up to scrutiny.
Here are two products I commonly recommend to patients because they bring the right combination together — clinically relevant doses, synergistic ingredients, and manufacturers with quality controls:
Two products worth considering
Vittalogy Sleep Complex 120 Capsules
The complete formula: melatonin, valerian, magnesium, vitamin B6, linden and ashwagandha. A full sleep support protocol in one product. Take 2 capsules 30–45 minutes before bed.
ADD TO CARTAquilea Sleep Forte 30 Tablets
A focused formula with valerian, passionflower and melatonin. Dual approach: supports both sleep onset and sleep maintenance. One tablet 30 minutes before bed. Compact format, 30-day supply.
ADD TO CARTWhat each ingredient actually does
Melatonin: Your body's own sleep-signalling hormone. Evidence from clinical trials suggests that doses of 0.5–5 mg may reduce sleep onset latency by 10–30 minutes. Higher doses are not necessarily better — 3–5 mg is the range that works for most adults. Unlike other ingredients in this category, the effect can be noticed from the first dose.
Valerian: Used for more than 2,000 years. Modern trials suggest it may improve sleep quality by supporting GABA activity. The meaningful effect tends to emerge after 2–4 weeks of consistent use rather than immediately. Patience is important here.
Magnesium: Sometimes called the sleep mineral. It is involved in over 300 enzymatic processes. For sleep specifically, it may reduce neuronal excitability, support muscle relaxation and act as a cofactor in the serotonin-to-melatonin conversion pathway. When magnesium is low, other interventions may not work as well. Dietary surveys consistently suggest that a significant proportion of UK adults do not meet recommended intakes.
Vitamin B6 (pyridoxine): An essential cofactor for converting tryptophan to serotonin, and then serotonin to melatonin. Without adequate B6, that cascade is impaired. Some people find that a previously unnoticed B6 insufficiency was the missing piece.
Ashwagandha: An adaptogen used to support cortisol modulation. Recent clinical trials suggest it may reduce night-time anxiety and improve sleep onset latency. It is particularly relevant for people where anxiety is a prominent component. Allow 2–4 weeks for the full effect to emerge.
5-week plan to improve your sleep
This is the protocol I walk patients through in practice. It works because it is progressive and allows the body to adapt. It is not "take melatonin and sleep for 12 hours tomorrow" — it is a structured five-week approach grounded in how sleep physiology actually responds to change.
Weeks 1–2: Sleep hygiene only (no supplements yet)
Why: The body has adapted to poor habits. It needs a reset first. Trying to add supplements before establishing the behavioural foundation is like trying to clean a river without first stopping what is polluting it.
What to do: No screens after 9pm. A warm shower 30 minutes before bed. In bed between 10:30–11pm. Wake at the same time every morning — including weekends. Last meal at least 3 hours before sleep. No caffeine after 3pm. Keep a brief sleep diary: note what time you got into bed, fell asleep and woke up.
Weeks 3–4: Add your first supplement
Why: After two weeks of consistent sleep hygiene the body is considerably more receptive. Now we introduce targeted supplementation.
What to do: Maintain all habits from weeks 1–2. Take your chosen supplement at around 9–9:30pm (30–45 minutes before your target sleep time). Wait until the end of week 4 before evaluating. Many people find they fall asleep more quickly and experience fewer awakenings — but responses vary.
Week 5+: Full protocol
Why: The behavioural foundation is established. The full protocol now has an optimal environment to work in because the body is prepared and resynchronised.
What to do: Continue everything from before. Add supplements as required for your profile. During weeks 5 and 6, many people report meaningful changes: falling asleep 30–60 minutes faster, fewer night-time awakenings, deeper sleep and waking feeling genuinely refreshed.
Week 6+ (maintenance): stabilisation
What to do: Continue with whatever is working. A common question I hear is "how long should I keep taking this?" — the answer depends on the individual. Some people benefit from continuing indefinitely. Others, after three to four months of restored sleep, can gradually reduce and maintain the gains because their circadian rhythms have resynchronised. There is no fixed rule.
Of patients I see who follow this complete protocol report meaningful improvement in their sleep within 5–7 weeks. Improvement means: reduced sleep onset time, fewer awakenings, deeper sleep and waking feeling more rested. These are observations from 25 years of seeing what actually works in a community pharmacy setting.
Frequently asked questions about sleep
These are the questions I hear most often in the pharmacy. I answer them based on the evidence:
How many hours of sleep do I actually need? ▼
The standard guidance is 7–9 hours for adults — but it depends. Some people sleep 6 hours deeply and wake feeling genuinely rested. Others sleep 9 hours with multiple awakenings and still feel exhausted. Quality matters as much as quantity. That said, consistently sleeping fewer than 6 hours does carry real health risks: increased likelihood of cardiovascular disease, metabolic conditions and, in the longer term, cognitive decline.
My suggestion in practice: keep a simple sleep diary for two weeks, noting hours slept and how you feel. That personal number is your target. Then protect those hours as you would any other important commitment. They are an investment in brain health.
When and how should I take melatonin? ▼
Melatonin is not a sedative that works immediately. It is a hormone that signals "time to rest." Take it 30–45 minutes BEFORE you want to be asleep, not when you are already in bed trying to sleep. If your target sleep time is 11pm, take melatonin at around 10:15pm.
On dose: 3–5 mg is the range that works for most adults. Lower doses often prove insufficient; higher doses do not produce better results and may cause next-morning grogginess. For jet lag, take melatonin 2–3 hours before your new target sleep time at the destination. The body interprets it as a temporal signal, not a sedative.
Is melatonin safe for long-term use? ▼
Yes — the safety profile for long-term use is reassuring. Clinical studies have shown continued safety over 3–5 years of use. It does not create tolerance and does not suppress your body's own melatonin production. The pineal gland continues to function normally alongside supplementation.
Where caution is appropriate: certain conditions (glaucoma, bipolar depression, pregnancy) warrant medical supervision before use. If you take specific medications — particularly warfarin or fluvoxamine — discuss with your GP or pharmacist first. For otherwise healthy adults, the risk profile is very low.
Can magnesium and melatonin be taken together? ▼
Not only can they — they work better together than either does alone. Magnesium is a cofactor in the enzymatic steps that produce melatonin. When magnesium is low, melatonin synthesis is impaired. Together, magnesium supports muscle and nervous system relaxation while melatonin synchronises the circadian clock. They act on different layers of the same system, which is why the combination is more effective than either alone.
In the protocol I use, both are taken at the same time — around 9pm. There is no conflict and no negative interaction between them.
What should I do if I am still not sleeping well after several weeks? ▼
First: be honest about whether the sleep hygiene habits are actually consistent. Are you genuinely in bed at the same time every night — including weekends? No screens after 9pm? Complete darkness? Room temperature around 16–18°C? In my experience, when patients say "this isn't working," the sleep hygiene is more often inconsistent than fully in place.
Second: if after five full weeks of the complete protocol there is no meaningful improvement, see your GP. There may be an underlying condition that needs investigation: obstructive sleep apnoea, acid reflux, thyroid dysfunction, depression or restless legs syndrome. NICE guidance (including CG49 on sleep disorders) recommends that persistent insomnia unresponsive to behavioural approaches should be assessed medically. These conditions need proper diagnosis — more supplements will not resolve them. Part of my role as a pharmacist is recognising where community care ends and medical referral begins.
How to start restoring your sleep today
Here are the steps to begin today. Not tomorrow. Today.
Today: the immediate changes
1. Complete darkness after 9pm. Turn off screens, dim the lights, put your phone in another room. This allows melatonin to rise within 20–30 minutes.
2. A warm shower 30 minutes before bed. The drop in core body temperature that follows a warm shower is one of the most powerful biological signals for sleep onset.
3. Set a fixed sleep time. Choose a realistic target time — say, 11pm — and maintain it every night for two weeks, including weekends. Your body needs consistency. The first weekend will be the hardest. After two weeks, the pattern starts to run on autopilot.
Next week: begin supplementation
If after two weeks of the above the improvements are modest, introduce your chosen supplement. Begin in week 3 of the protocol. If after week 4 you feel you need a more comprehensive formula, consider adding the Sleep Complex.
What you can reasonably expect to see
Within five weeks of following this consistently:
- You may fall asleep 20–30 minutes faster than before.
- You may experience 2–3 awakenings rather than 5–6.
- You may wake naturally before the alarm, without force.
- You may feel genuinely rested in a way that has been absent for some time.
- Concentration, memory and mood often improve alongside sleep — this is not a placebo effect. It is neurobiology: better sleep means a brain that functions as it is supposed to.
That is what I offer here — not a promise, but a realistic picture drawn from 25 years of seeing what happens when people apply the right tools consistently. Your sleep is part of your health. And it can, in most cases, be improved. Start today.
