Coffee is a popular antidote to midday drowsiness. A nappuccino might work better. A study published in 2008 found power naps to be more effective than caffeine at improving alertness and memory.

When you’re short on sleep and your focus suddenly drifts, your brain may be briefly slipping into cleanup mode. Scientists ...

Abnormal clumps of proteins like α-synuclein, amyloid beta and tau are associated with neurodegenerative conditions like Parkinson's and Alzheimer's disease, but a waste removal mechanism called the ...