Insomnia We've talked about insomnia over the past couple of days. Many times people will go undiagnosed with a sleep disorder, feeling that they're just a light sleeper, or that they just don't need a lot of sleep to function. The truth is that you do need sleep. Your body cannot function correctly without enough sleep and it is very rare for a person to actually need under 7 to 8 hours of sleep. Many common signs of insomnia are Fatigue Problems with attention, concentration or memory (cognitive impairment) Poor performance at school or work Moodiness or irritability Daytime sleepiness Impulsiveness or aggression Lack of energy or motivation Errors or accidents Concern or frustration about your sleep If you are suffering from any of these symptoms you should consider speaking with a sleep specialist. Insomnia or Not? How do you know if it's insomnia keeping you up? Sometimes it's not a disorder at all that keeps yo...