All Sleep Techniques
Browse our full library of evidence-based sleep guides. Filter on the left, explore cards on the right.
April 18, 2026
Body Temperature & Sleep Cycles
How core temperature drops trigger sleep onset and practical cooling strategies.
- Warm shower 60-90 min before bed
- Bedroom 16-19°C for heat loss
- Track hot wakes in your sleep log
January 9, 2026
Beating Social Jet Lag
Reduce weekend circadian drift without giving up your social life.
- Keep wake time within 30 min daily
- Use short naps instead of sleeping in
- Front-load social plans when possible
November 22, 2025
Building a Wind-Down Routine
Train your brain to expect rest with a repeatable pre-sleep sequence.
- Three 20-minute blocks before bed
- Scent, sound, and light anchors
- Same order every night
September 14, 2025
Stress Hormones & Sleep Quality
Lower HPA-axis activation and break the stress-sleep cycle.
- Scheduled daytime worry time
- Extended-exhale breathing at night
- Stop work 90 minutes before bed
July 28, 2025
Digital Boundaries
Protect circadian signals from late-evening light.
- Screen curfew 60 minutes pre-sleep
- Warm color temperature after sunset
- Bedroom as a device-free zone
May 3, 2025
Cognitive & Relaxation
Calm the cortex and retrain sleep associations.
- Stimulus control: bed for sleep only
- 4-7-8 breathing or box breathing
- Brief worry-time journaling before bed
February 17, 2025
Movement & Timing
Exercise enhances slow-wave sleep when timed well.
- Aerobic sessions in morning or afternoon
- Avoid vigorous work within 3 hours of bed
- Gentle stretches in the wind-down window
October 30, 2024
Nutrition & Timing
Align meals and stimulants with your sleep drive.
- No caffeine after 14:00
- Light dinners 2-3 hours pre-sleep
- Tryptophan and magnesium-rich foods
August 12, 2024
Environment Optimization
Shape a bedroom that signals calm, darkness, and cool air.
- Cool room and blackout curtains
- White or brown noise to mask disruptions
- Aromatherapy with lavender or bergamot
May 6, 2024
Sleep Schedule Discipline
Lock consistent bed/wake windows within 30 minutes daily.
- Fixed sleep/wake times, including weekends
- 20-30 min daylight exposure after waking
- Short naps only before 3 PM