Babies sleep a lot because their bodies and brains are growing and developing rapidly during the first few years of life. Sleep is crucial for this growth and development to occur.
During sleep, the body releases growth hormone, which is essential for physical growth. Additionally, the brain is also busy during sleep, consolidating memories, processing emotions, and developing important neural connections.
Babies also have shorter sleep cycles than adults, which means they cycle through light and deep sleep more frequently. This helps them stay alert to hunger cues and other needs, and also allows them to wake up easily to ensure their safety.
Overall, babies need a lot of sleep to support their growth and development, and as they get older, their sleep needs will gradually decrease.
