Sabía usted que levantarse a las 3 o 4 de la mañana es una clara señal de...
Waking up around 3 or 4 in the morning can be due to various reasons, often related to stress, lifestyle or health problems. Stress is a major factor: it increases levels of cortisol, a hormone that disrupts the sleep cycle and leads to early awakenings. Disorders such as insomnia or sleep apnea also interfere with uninterrupted sleep. … Leer más