Daijiworld Media Network - Mumbai

Mumbai, Dec 11: In an era of apps, gadgets and miracle supplements promising instant brain enhancement, scientists are reminding us of a timeless truth — nothing boosts the brain as powerfully as good, consistent sleep. A series of new global studies underscores that quality sleep remains the most effective, natural way to improve memory, focus and long-term cognitive resilience.

Experts describe sleep not as downtime, but as an essential repair cycle. During deep sleep, the brain sorts memories, clears harmful metabolic waste and restores vital neural connections that keep thinking sharp and emotions stable.

A 2025 study published in the Journal of Sleep Research revealed that individuals who slept a steady 7–9 hours over several days performed nearly

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