How to Fall Asleep Faster

Lying awake at night despite being tired is one of the most frustrating experiences. The good news: falling asleep faster is a skill you can improve. Here's what the evidence says actually works.

The Basics That Make the Biggest Difference

Keep a consistent sleep and wake time — every day.

Your body has a circadian rhythm that regulates when you feel sleepy and alert. When you go to bed and wake up at the same time daily (including weekends), this rhythm becomes predictable and you fall asleep faster at your set bedtime. Irregular schedules confuse it.

This single habit has more impact than any supplement or technique.

Keep your bedroom cool. Core body temperature needs to drop slightly to initiate sleep. A room temperature of 16–19°C (60–67°F) is optimal. A warm shower or bath 1–2 hours before bed speeds this up — your body temperature rises then drops quickly, signalling sleepiness.

Darkness. Even small amounts of light suppress melatonin. Blackout curtains or a sleep mask make a measurable difference.

Techniques for When You're Lying Awake

4-7-8 breathing:

1. Exhale completely through your mouth
2. Inhale through your nose for 4 counts
3. Hold your breath for 7 counts
4. Exhale through your mouth for 8 counts
5. Repeat 3–4 cycles

This activates the parasympathetic nervous system and slows heart rate.

Progressive muscle relaxation: Starting from your feet, tense each muscle group for 5 seconds, then release for 30 seconds, working up your body. By the time you reach your face, most people are significantly more relaxed.

Cognitive shuffling: Think of a random, emotionally neutral word (like "soap" or "banana"), then visualise unconnected images that start with each letter. This mimics the random imagery of pre-sleep and helps the mind disengage from anxious thoughts.

Get up if you can't sleep. If you're lying awake for more than 20 minutes, get up and do something calm in dim light until you feel sleepy, then return to bed. This prevents your brain from associating bed with wakefulness (a core principle of CBT for insomnia).

Things That Hurt Sleep More Than People Realise

Phone use in bed. The issue isn't just blue light — it's mental stimulation. Checking email, social media, or news activates your brain. The content keeps you alert and often creates low-level anxiety.

Alcohol. Alcohol helps you fall asleep faster but fragments sleep quality in the second half of the night, causing early waking and less restorative sleep overall.

Caffeine later than you think. Caffeine has a half-life of 5–7 hours. A coffee at 3pm still has 50% of its caffeine in your system at 8–10pm. Cut off caffeine by 1–2pm if you have trouble sleeping.

Working or worrying in bed. Your brain learns associations. If you consistently work, watch stimulating content, or worry in bed, it stops associating bed with sleep.

When Nothing Works

If you consistently take more than 30 minutes to fall asleep, wake frequently in the night, and feel unrested despite adequate time in bed — for weeks at a time — this is insomnia.

Cognitive Behavioural Therapy for Insomnia (CBT-I) is the gold-standard treatment, more effective long-term than sleep medication. It's available through therapists, apps (Sleepio, Somryst), or self-help books.