Sleep Research
Educational summaries of sleep science. We explore what research suggests about sleep duration, consistency, and factors that influence sleep.
Educational scope
No diagnosis of sleep disorders. This content does not identify or treat conditions such as insomnia, sleep apnea, or other sleep disorders. If you are concerned about your sleep, speak with a qualified healthcare professional.
Sleep Duration
Research examines associations between sleep duration and health outcomes, with attention to both short and long sleep.
Evidence: Some supporting evidence
Sleep Consistency
Consistent sleep and wake timing is studied for its relationship with metabolic and cardiovascular health.
Evidence: Emerging research
Circadian Rhythm
The body's internal clock regulates sleep, hormones, and metabolism. Light exposure and timing are key influences.
Evidence: Well supported
Sleep Environment
Temperature, noise, light, and mattress comfort are studied for their effects on sleep quality.
Evidence: Some supporting evidence