Sleepless nights? Here’s what they do to your brain

             Written by: Ehsan Siddiqui

11 July 2025

Sleep isn't just rest for your body; it is essential for brain health too. Learn how not getting enough sleep impacts your memory, mood, and long-term cognitive function.

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Sleep deprivation has a direct effect on your cognitive function. You're likely to have trouble focusing, paying attention, picking up new skills, and solving problems.

Impaired Cognitive Function

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Sleep plays a crucial role in consolidating memories. Without enough sleep, your brain struggles to process and store information effectively, leading to forgetfulness and difficulty recalling details.

Memory Problems

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Lack of sleep causes brain cells to communicate less effectively, which slows down reaction times. This can be especially risky when driving or doing activities that call for fast reactions.

Decreased Reaction Time

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A lack of sleep can heighten emotional reactivity, leading to increased irritability, anxiety, and mood swings.

Emotional Instability

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Lack of sleep affects behavior and day-to-day functioning by impairing decision-making, abilities.

Poor Decision Making

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In a busy world, sleep often takes a back seat. But remember, rest isn’t a luxury, it’s your brain’s best ally for a healthier, happier you.

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