If you’ve ever woken up from an eight-hour slumber and wondered why you still feel so unrested, you might have experienced “non-restorative” sleep.
Non-restorative sleep, which can lead to a worse quality of life overall, can mean your brain hasn’t had enough time to clear the waste it collects throughout the day.
Usually, waves of cerebrospinal fluid (or CSF) wash through the brain at night to help remove these proteins and acids.
But a new study has found that well-timed bursts of so-called “pink noise” could help to strengthen these waves – and researchers hope this effect could e...
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