- NHS — Sleep
- Mental Health UK — Sleep
- Sleep Foundation — REM Sleep
- Verywell Health — Don’t Lie Awake in Bed at Night
- NHS — Insomnia
Food supplements should not be used as a substitute for a varied, balanced diet and healthy lifestyle. Not suitable for under-18s, or if pregnant or breastfeeding. If you have a diagnosed sleep disorder or take prescribed medication, speak to your GP first.