Christmas is supposed to be restful, yet somehow it ends up being one of the worst times of year for sleep. Between late nights, travel, one too many eggnogs and all that excitement, your sleep schedule doesn’t stand a chance – and neither does your mood, safety or health. Here are a dozen sneaky ways Christmas sabotages your sleep and what you can do about it.

Late nights and lie-ins might feel indulgent, but they’re secretly sabotaging your internal clock. Those late nights and bright lights throw your body clock out of sync, leaving you with disrupted sleep and making you slower to function and gloomier the next day. Irregular sleep timing is associated with many poor consequences for health and performance.

Many adults routinely sleep less than the recommended seven hours. Nightly sleep loss of even one hour quickly takes a major toll. Sleeping less than six hours a night can cause dangerous levels of sleepiness after just two weeks, making end of year exhaustion real, and the Christmas break an ideal time to........

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