(CNN) — No, I did not prepare for the end of Daylight Saving Time this past weekend, when most US states set clocks back an hour. Sunrise and sunset now come an hour earlier, despite my protestations.

Experts advised planning for this change two weeks ago by shifting your sleeping schedule a bit each night. That did not happen in my house, where the workdays were long, everyone’s calendars were packed and a bad cold threw off our schedule for a week.

While the shift technically provided one extra hour of sleep on Sunday, many people didn’t feel that benefit. The sudden change can disrupt your body’s internal clock, leaving you tired in the morning, wide awake at night and sluggish throughout the day.

So what to do now that we’ve “fallen back”? How long does it take to adjust to standard

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