A snack if you can't sleep

A Little Bite Before Bed If you have trouble drifting off, the right bedtime snack may help promote a more restful night's sleep.

In a study, a tryptophan-enriched snack before bed helped study participants sleep better and promoted morning alertness. Foods that provide a dose of tryptophan include bananas, dairy, nuts, eggs, soybeans, tuna, and chicken. Keep the serving size small and have your snack about an hour before bed.

RealAge Benefit: Getting 6 to 8 hours of sleep per night can make your RealAge as much as 3 years younger.