One of Leonardo da Vinci’s secrets was hidden in special sleep scheme: he slept 15 minutes every four hours; this way he cut his daily sleep time from 8 to 1.5 hours. Due to this scheme he saved 75 percent of his sleep and, hence, extended his life time from 70 years all the way up to 100. Nicola Tesla slept for 2 hours a day, starting from age 19, and had enough time to do a lot during his life. By far not everyone can handle such schedule for long. Continue reading »

Turning around in bed for the whole night, falling asleep right before the sunrise, waking up not well-rested, but rather exhausted. Sounds familiar? Insomnia can be a symptom of many different illnesses, but a healthy person can experience it as well. Insomnia mostly develops due to disturbed falling asleep in the evening, early wake-up time in the morning, or not deep enough sleep at night. A relatively healthy person can get insomnia due to a nervous over excitement, stress, or prolonged high physical activity. Continue reading »