Lack of sleep can affect your brain more than you think. Not getting enough sleep may cause poor focus, memory problems, slow thinking, mood changes, and low mental energy. Sleep is important for brain health, learning, and daily performance. Getting proper sleep helps your brain rest, repair, and function better. This video is for educational and informational purposes only. It is not medical advice. Please consult a healthcare professional for medical concerns. can lack of sleep affect your brain lack of sleep brain effects sleep deprivation effects how sleep affects the brain not enough sleep brain health sleep and brain function health tips health information healthinfo us