World Sleep Day 2024: Lack of sleep can trigger tension headaches or migraines in some individuals. Adequate sleep is essential for various bodily functions, including immune system function, metabolism, hormone regulation, and cardiovascular health. Poor sleep has been linked to an increased risk of chronic health conditions such as obesity, diabetes, heart disease, and stroke. Chronic sleep deprivation can contribute to mood disorders like depression and anxiety. Read on as we share signs that might indicate you are not getting enough sleep.