Many people find using a sleep aid helpful for insomnia. Sleep aid's are designed to help you get to sleep easier, sleep for longer and wake up less often during sleep to improve your quality of sleep. Insomnia is when you regularly have trouble sleeping. Symptoms of insomnia are: find it difficult to get to sleep. tendency to lie awake at night. still tired after waking up. wake up several times during sleep. wake up early but cant get back to sleep. find it difficult to concentrate because you are tired. These symptoms can last for months and even years.  Generally if you're feeling tired during the day you are not getting enough sleep.  On average adults need 7 to 9 hours of sleep, children need 9-13 hours of sleep and toddlers need 12-17 hours of sleep.