Why Can’t I Sleep Through the Night Anymore? Sleep that stopped working in midlife is almost always driven by chemistry that shifted years before the symptoms became unbearable. Declining progesterone, fluctuating estradiol, declining testosterone, cortisol...
Insomnia is the most common sleep disorder, affecting millions of adults. It is defined as the inability to fall asleep, stay asleep, or achieve restful sleep. More than one-third of adults fail to get the recommended 7–9 hours per night. Other sleep disorders include...