Fatigue is not harmless.If you are exhausted during the day but wired at night, waking up tired, relying on caffeine to function, struggling with insomnia, or wondering why your sleep no longer restores you, Sleep Deprivation was written for you.In this physician-authored sleep health guide, Jerome Puryear, MD explains why chronic sleep deprivation is more than an inconvenience-and why "just get more sleep" is often not enough. Inside, you will learn about:Chronic sleep deprivation and how it affects daily healthInsomnia, poor sleep quality, and waking up tiredSleep disorders, including obstructive sleep apnea and snoringFatigue from lack of sleep, brain fog, and feeling tired all the timeNight shift sleep, irregular sleep schedules, and shift work sleep disorderCircadian rhythm disruption and how your sleep-wake cycle worksCaffeine and sleep, including how timing and daily habits affect restThis is not a quick-fix sleep hack book. It is a doctor-written sleep guide for adults who want to understand why their sleep system is not working-and how sleep deprivation can affect the body, brain, metabolism, emotions, decision-making, and overall health.If poor sleep has become your normal, it is time to understand what your body has been trying to tell you. Stop treating exhaustion as normal. Start rebuilding restorative sleep from the inside out.