Troubled sleep is a commonly cited consequence of adolescent drug use, but it has rarely been studied as a cause. Nor have there been any studies of the extent to which sleep behavior can spread in social networks from person to person to person. Here we map the social networks of 8,349 adolescents in order to study how sleep behavior spreads, how drug use behavior spreads, and how a friend's s...

As the Internet matures, policy questions loom larger in its operation. When should an ISP, city, or government invest in infrastructure? How do their policies affect use? In this work, we develop a new approach to evaluate how policies, economic conditions and technology correlates with Internet use around the world. First, we develop an adaptive and accurate approach to estimate block availab...

Qai’lullah or napping is a phenomenon that widely practiced in the world. Islam advocates mid-day as it primarily by Prophet Muhammad (pbuh). Scientists and scholars also acknowledge benefits beyond this practice after various research studies done. Hence, article emphasizes topic of sleep Islamic insight, their stages sleeps according to Quran napping. The high-energy blue light exposure from ...

Continuous recordings of rectal temperature were made from 40 normal infants, aged 3-4 months, at home during two days of normal activities. We found that the rectal temperature of a normal, healthy baby may vary from 36.0 degrees C at night to 37.8 degrees C during active periods of the day. During daytime sleep rectal temperature fell, but to a lesser extent, and for less time than during nig...

www.aafp.org/afp Volume 82, Number 1 ◆ July 1, 2010 Case Scenario A 41-year-old Indian woman recently presented to me, a male physician. She reported feeling weak during the past two months. She said she wakes up tired and becomes more tired as the day passes. She sleeps lightly and sometimes wakes up early. Occasionally, she has dull, aching pain in her lower back. During the review of systems...