Do our poor sleep habits post stroke contribute to our brain problems? Whom is going to tease out whether this is correlation or cause?
http://www.alphagalileo.org/ViewItem.aspx?ItemId=137696&CultureCode=en
A new study from Uppsala University, Sweden, shows that one night of
sleep deprivation increases morning blood concentrations of NSE and
S-100B in healthy young men. These molecules are typically found in the
brain. Thus, their rise in blood after sleep loss may indicate that a
lack of snoozing might be conducive to a loss of brain tissue. The
findings are published in the journal SLEEP.
Fifteen
normal-weight men participated in the study. In one condition they were
sleep-deprived for one night, while in the other condition they slept
for approximately 8 hours.
“We observed that a night of total
sleep loss was followed by increased blood concentrations of NSE and
S-100B. These brain molecules typically rise in blood under conditions
of brain damage. Thus, our results indicate that a lack of sleep may
promote neurodegenerative processes”, says sleep researcher Christian
Benedict at the Department of Neuroscience, Uppsala University, who lead
the study.
“In conclusion, the findings of our trial indicate
that a good night’s sleep may be critical for maintaining brain health”,
says Christian Benedict.
Benedict C et al. Acute sleep
deprivation increases serum levels of neuron-specific enolase (NSE) and
S100 calcium binding protein B (S-100B) in healthy young men. SLEEP (in
press)
The study was funded primarily by the Swedish Brain Foundation (Hjärnfonden) and Novo Nordisk Foundation.
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