Sleep
Regular bed and wake times, and the hour before bed.
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The Hour Before Bed, in Order: A Wind-Down Timeline
NHLBI says to use the hour before bed for quiet time. A sample timeline, counted back from lights-out: chores, lights down, screens off, something quiet.
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The Same Wake-Up Time on Weekends: A One-Week Chart
NHLBI says to keep weekend sleep times within about an hour of weekdays. A one-week chart for tracking your wake-up time, with a filled-in example.