
Sleep is the foundation on which everything else stands. Here is what genuinely helps, and what does not.
Sleep is not a luxury. It is the foundation on which mental health stands. Disrupted sleep is implicated in anxiety, depression, irritability, impaired memory, weakened immune function, weight gain, and reduced ability to regulate emotions.
If you've been sleeping badly for a while, fixing it will do more for your overall wellbeing than almost any other single change. The NHS, Mind, and the work of researchers like Matthew Walker (sleep scientist at UC Berkeley) all converge on this point.
"Sleep hygiene" sounds prescriptive but is just a set of small habits that protect your sleep. They work better together than apart.
Same wake time daily. The single biggest lever. Your body clock is set by when you wake up, not when you go to sleep. Same time, weekdays and weekends, within 30 minutes. This is hard but transformative.
Morning light, immediately. Get daylight (not a lamp, real outside light if possible) within an hour of waking. This locks in your circadian rhythm and means you'll be tired at a sensible time that evening.
No caffeine after midday. Caffeine has a half-life of around 6 hours. The 3pm coffee is still in your system at 9pm. If you sleep badly and drink coffee in the afternoon, the coffee is almost certainly part of the problem.
Cool, dark, quiet bedroom. Around 18°C is optimal for most people. Blackout if you can. Phone in another room if possible.
Wind down for an hour before bed. No bright screens, no work, no difficult conversations. A book, a warm shower, low light.
Most adults wake briefly during the night. The problem is not waking; it is what your mind does once it has woken.
If you are awake for more than about 20 minutes, the advice from sleep scientists is counterintuitive: get out of bed. Go to another room with low light. Read something boring. The reason is that lying in bed awake teaches your brain to associate the bed with wakefulness. Returning when you feel sleepy reverses this.
If anxious thoughts are keeping you awake, keep a notebook by the bed and write them down. The "I'll forget" worry is often what keeps thoughts circling. Once written, they tend to let go.
Counting sheep. Trying harder to sleep (sleep is one of the only things that gets worse the more you try). Checking the time. Most over-the-counter sleep aids, which often disrupt the quality of sleep even when they help you fall asleep.
Melatonin works for jet lag and shift work, less reliably for ordinary insomnia. Alcohol helps you fall asleep but ruins the deep restorative phases later in the night, which is why a few drinks leave you exhausted the next day.
If you've been sleeping badly for more than a month, the NHS, NICE, and sleep clinics all recommend the same first-line treatment: not pills, but CBT for insomnia (CBT-I). It outperforms sleep medication in long-term trials and the effects last after treatment ends.
The NHS offers this through Talking Therapies. There are also apps like Sleepio (NICE-recommended) that deliver it digitally. Worth knowing before you ask your GP for something to take.
If insomnia is part of a wider pattern of anxiety, low mood, or chronic stress, treating the underlying issue often resolves the sleep problem too. A therapist can help you understand which is driving which.
If you'd like to talk to someone, our therapists are here. Get in touch when you're ready.
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