inadequate sleep

Poor sleep at night, more pain the next day

January 29, 2019

Science Daily/Society for Neuroscience

After one night of inadequate sleep, brain activity ramps up in pain-sensing regions while activity is scaled back in areas responsible for modulating how we perceive painful stimuli. This finding provides the first brain-based explanation for the well-established relationship between sleep and pain.

 

In two studies -- one in a sleep laboratory and the other online -- Matthew Walker and colleagues show how the brain processes pain differently when individuals are sleep deprived and how self-reported sleep quality and pain sensitivity can change night-to-night and day-to-day. When the researchers kept healthy young adults awake through the night in the lab, they observed increased activity in the primary somatosensory cortex and reduced activity in regions of the striatum and insula cortex during a pain sensitivity task. Participants in the online study, recruited via the crowdsourcing marketplace Amazon Mechanical Turk, reported increased pain during the day after reporting poor sleep the night before.

 

These results suggest improving sleep quality, especially in hospital settings, could be an effective approach for pain management. More generally, the research highlights the interrelationship between sleep and pain, which is decreasing and increasing, respectively, in societies around the world.

https://www.sciencedaily.com/releases/2019/01/190129093714.htm

Adequate Sleep Helps Weight Loss

September 17, 2012

Science Daily/Canadian Medical Association Journal

Adequate sleep is an important part of a weight loss plan and should be added to the recommended mix of diet and exercise, states a commentary in CMAJ (Canadian Medical Association Journal).

 

Although calorie restriction and increased physical activity are recommended for weight loss, there is significant evidence that inadequate sleep is contributing to obesity. Lack of sleep increases the stimulus to consume more food and increases appetite-regulating hormones. “Sleep should be included as part of the lifestyle package that traditionally has focused on diet and physical activity."

 

"The solution [to weight loss] is not as simple as 'eat less, move more, sleep more,'" write Drs. Jean-Phillippe Chaput, Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario and Angelo Tremblay, Laval University, Québec, Quebec.

 

"However, an accumulating body of evidence suggests that sleeping habits should not be overlooked when prescribing a weight-reduction program to a patient with obesity. Sleep should be included as part of the lifestyle package that traditionally has focused on diet and physical activity."

http://www.sciencedaily.com/releases/2012/09/120917123926.htm

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