Las tardes son un momento de sueño para muchos. La mente se nubla, los párpados pesan y todo el cuerpo anhela una siesta. Este bajón vespertino puede estar programado en el cuerpo humano. Aunque el mundo occidental no suele fomentar la siesta entre los adultos, muchas personas no están tan alerta por la tarde como […]
Most people associate cortisol with the “fight or flight” response. While this biochemical indeed functions as a stress hormone—and can have negative effects in excess—it is a necessary hormone for a variety of human biological functions. It is produced from cholesterol in the adrenal glands, which sit directly on top of the kidneys. It is released […]
Do you really need eight straight hours of sleep to feel healthy and well-rested? Evidence suggests that our ancestors flourished using a practice known as segmented sleep. Historians and biologists both investigated how we slept in the past, both to understand daily habits back then and to understand how we should be sleeping now. Interestingly, […]
¿Realmente se necesitan ocho horas seguidas de sueño para sentirse sano y descansado? Las pruebas sugieren que nuestros antepasados prosperaron utilizando una práctica conocida como sueño segmentado. Tanto historiadores como biólogos han investigado cómo dormíamos en el pasado, tanto para comprender los hábitos cotidianos de entonces como para saber cómo deberíamos dormir ahora. Curiosamente, muchos […]
ADHD and related disorders have increased to almost epidemic levels in the United States. Research suggests that circadian rhythm disruption may play a key role. Attention deficit/hyperactivity disorder, also known as ADHD for short, is a common problem in the Western world. Around 11 percent of American children have been diagnosed with the disorder, but it is […]
Getting a full night's sleep may play a bigger role in life expectancy than many people re... [Read More][weiterlesen]
Most people are familiar with the advice to “sleep on it” when faced with difficult de... [Read More][weiterlesen]
Researchers at Northwestern Medicine investigated whether adjusting the nighttime fasting ... [Read More][weiterlesen]
