Depression comes with an impact on quality of sleep as well, even causing insomnia in some cases. Apart from mental health, physical conditions can also cause excessive tiredness. Those are best left to be diagnosed by your doctor, but include such things as iron deficiency, thyroid problems and diabetes.
Also asked, why do I feel tired even though I slept 8 hours?
Getting a full eight hours of sleep a night is often a struggle. To make matters worse, there are times when one continues to feel tired despite supposedly having gotten sufficient sleep. However, it is also likely that your tiredness is due to the lack of quality sleep at night, rather than the quantity of it.
Also Know, why have I slept all day and still tired?
If you're still feeling tired or having difficulty sleeping well, it's time to talk to your doctor. Waking up tired after several full nights of sleep can be a red flag that you may have a sleep disorder or something else going on, according to Salas. If your low energy levels are because of a lack of sleep, sleep in!
What sleep inertia feels like?
You're suffering from sleep inertia – the feeling of grogginess after waking up, because you're still in a sleep state. It usually lasts from around five to 30 minutes but it can last for as long as two to four hours. During this time you may feel like your concentration is impaired and you don't feel as alert.
Why am I sleeping 12 hours a day and still tired?
Characteristics of hypersomnia
In extreme cases, a person with hypersomnia might sleep soundly at night for 12 hours or more, but still feel the need to nap during the day. Sleeping and napping may not help, and the mind may remain foggy with drowsiness.