Daylight Saving Time, Internal Clock
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When do clocks fall back 2025? Americans will turn clocks back one hour as daylight saving time ends at 2 a.m. Sunday. The time change marks the return to standard time until March 8, 2026. Learn how this affects sleep,
Neurologist Dr. Ptacek explains how "falling back" disrupts the 24-hour circadian clock, affecting mood and performance, with mitigation tips.
Scientists say the return to "standard time" is good for our health. But the time change can be disruptive and we must also adjust to more winter darkness. Syncing our habits to our body clock helps.