A nightcap might feel relaxing, but research shows it can fragment your sleep and reduce the quality of your rest.

The word hypnosis may conjure up images of a mysterious stranger swinging a pocket watch, but it is a form of psychotherapy that allows for a changed state of awareness, according to the Mayo Clinic.

The nightcap is a longstanding ritual: a glass of wine after dinner, a cocktail before bed, something to ease the transition into sleep. But while alcohol may feel like it’s helping, research, and ...