Sleep
Educational content only. This content is provided for general educational purposes only and is not medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before making decisions about your health, exercise, or nutrition.
Overview
Sleep is fundamental to recovery, hormone regulation, cognitive function, and appetite control. Most adults are advised to aim for 7-9 hours.
How exercise relates
- Regular physical activity is associated with improved sleep quality in many studies.
- Very late high-intensity training disrupts sleep onset for some people.
General guidance
- Consistent sleep and wake times help regulate circadian rhythm.
- Light exposure in the morning and reduced light in the evening support the sleep-wake cycle.
- Caffeine has a long half-life — afternoon intake affects many people at night.
When to see a doctor
- Loud snoring with pauses in breathing, or gasping during sleep
- Persistent insomnia despite good sleep habits
- Excessive daytime sleepiness affecting daily function
If you are experiencing a medical emergency, contact your local emergency services immediately.