A 10–20 minute nap resets attention, brightens mood, and improves reaction time. Longer (60–90 minutes) dives into deeper sleep that can consolidate learning—but set an alarm to dodge grogginess. If ...

Rapid, combined and personalized non-invasive stimulation of the precuneus improves associative memory, enhances local gamma expression, and strengthens precuneus–hippocampal connectivity.