In adults, blood pressure is considered normal if the top number (systolic pressure) is between 90 and 120 and the bottom number (diastolic) is between 60 and 80. There are several classes of blood pressure medications. Each class lowers blood pressure in a different way.
For other uses, see Narcolepsy (disambiguation). Narcolepsy is a long-term neurological disorder that involves a decreased ability to regulate sleep-wake cycles. Symptoms include periods of excessive daytime sleepiness that usually last from seconds to minutes and may occur at any time.
Narcolepsy is a chronic neurological disorder affecting the part of your brain that regulates sleep. Narcolepsy is more common than you probably realizeâaffecting about 1 in 2,000 peopleâand can cause you to experience excessive daytime sleepiness and a sudden loss of muscle control (called cataplexy), often triggered by strong emotions.