IF YOU’RE JET-LAGGED Me­la­tonin

Men's Journal - - FITNESS -

It’s the hor­mone that reg­u­lates the body’s sleep-wake cy­cle and one of the best-stud­ied sleep aids. Me­la­tonin lev­els rise nat­u­rally at night when it’s dark, sig­nal­ing the body that it’s time to sleep. While the sup­ple­ment is safe and ef­fec­tive for many, it works best for shift work­ers and jet-lagged trav­el­ers.

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