| Can’t focus after a bad night’s sleep? Your dirty brain is to blame // New Scientist Associate Professor Laura Lewis and her colleagues have discovered that momentary lapses in attention that often follow a bad night’s sleep are caused by the brain attempting to flush fluid out of its system, a process that normally occurs during sleep. “If you don’t have these waves [of fluid flowing] at night because you’re kept awake all night, then your brain starts to kind of sneak them in during the daytime, but they come with this cost of attention,” Lewis explains. |
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