Insomnia is a common sleep disorder that can make it hard to fall asleep, hard to stay asleep, or cause you to wake up too early and not be able to get back to sleep. You may still feel tired when you wake up.
Symptoms:
Difficulty falling asleep at night
Waking up during the night
Waking up too early
Not feeling well-rested after a night’s sleep
Daytime tiredness or sleepiness
Irritability, depression or anxiety
Difficulty paying attention, focusing on tasks or remembering