Many adults notice stubborn weight changes that don’t respond to diet or exercise alone.

Recent observations suggest the issue may not be effort — but what happens during sleep.

During deep rest, the body regulates key hormones linked to appetite, energy, and fat storage. When sleep quality declines, these systems may struggle to function properly.

Some specialists are now discussing a simple evening habit designed to support the body’s natural nighttime processes — without extreme routines or intense workouts.