You're not sleeping as long or as well as you think and it's because time in bed is not actual time slept (plus CPAPs rule!) S2E22

Sleep duration is based on time asleep and does not include restless or awake time.

A sleep study is a test that records the activity of the body during sleep. There are five main types of sleep studies that use different methods to test for different sleep characteristics and disorders.

What is sleep apnea?

  • A potentially serious sleep disorder in which breathing repeatedly stops and starts.

  • Risk factors include age and obesity. It's more common in men.

  • Symptoms include snoring loudly and feeling tired even after a full night's sleep.

  • Treatment often includes lifestyle changes, such as weight loss, and the use of a breathing assistance device at night, such as a continuous positive airway pressure (CPAP) machine.

If you have trouble breathing, a BiPap machine can help push air into your lungs. You wear a mask or nasal plugs that are connected to the ventilator. The machine supplies pressurized air into your airways. It is called “positive pressure ventilation” because the device helps open your lungs with this air pressure.

What is the difference between BiPAP and CPAP? While CPAP generally delivers a single pressure, BiPAP delivers two: an inhale pressure and an exhale pressure. These two pressures are known as inhalation positive airway pressure (IPAP) and exhalation positive airway pressure (EPAP).

A BiPAP isn't the only type of ventilator that uses positive pressure to help you breathe. Another common breathing device is the continuous positive airway pressure machine, or CPAP. Both deliver air pressure when you breathe in and breathe out. But a BiPAP delivers higher air pressure when you breathe in.

When is Snoring Dangerous? Loud snoring can be a serious sleep disorder. Obstructive sleep apnea (OSA) is a blockage that stops breathing and disturbs sleep. If any of these symptoms occur with loud snoring, speak to your doctor for further evaluation.

The standard in the literature is that healthy sleepers spend more than 90% of the time in bed asleep, so if you're in bed for eight hours, a healthy sleeper might actually sleep for only about 7.2 hours. 8.5 hours of sleep is the new eight hours.

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