Estrogen and progesterone shift during perimenopause and menopause, and those changes show up as hot flashes, night sweats, poor sleep, mood changes, brain fog, low energy, and more.
Menopause is a life stage, not a disease. Perimenopause is the transition before it, when hormones fluctuate rather than simply decline, and the two are not the same thing.
These guides cover what's changing, what hormone therapy does and doesn't do, what the evidence says about safety, and how to think about the decision. HRT is not a weight-loss treatment, though it may support symptoms that affect sleep, energy, mood, comfort, and daily function.