Health ❯ Sleep Health

Circadian Rhythms

Sleep Disorders Daylight Saving Time Health Risks Sleep Disruption Daylight Saving Time Effects Sleep Adjustment Time Changes Biological Clocks Sleep Hygiene Disruption Effects Impact of Time Changes Time Change Effects Sleep Adjustment Techniques Daylight Saving Time Impact Behavioral Health Hormonal Effects Effects of Time Change Child Sleep Issues Mental Health Sunlight Exposure Impact of Light Impact of Time Change Daylight Exposure Daylight Saving Time Impacts

Clocks ‘Spring Forward’ March 8 as Daylight Saving Time Arrives on Earliest Possible Date

No federal change has passed, so the twice‑yearly switch continues.

Wearable Data Tie Weak or Late-Timed Body Clocks to Higher Dementia Risk

Brighter Nights Tied to Higher Cardiovascular Risk in 89,000-Person Wearable Study

Large Wearable Study Ties Nighttime Light to Higher Heart Disease Risk

Daylight Saving Time Ends Nov. 2: U.S. Clocks Fall Back One Hour