Delayed sleep phase disorder (DSPD), more often known as delayed sleep phase syndrome and also as delayed sleep–wake phase disorder, is the delaying of a person's circadian rhythm (biological clock) compared to those of societal norms.

2023年9月21日 · Delayed sleep phase is a sleep disorder that affects the internal clock, known as circadian rhythm. People with this sleep disorder have sleep patterns that are delayed two hours or more from usual sleep patterns.

2024年2月14日 · Delayed sleep phase disorder is a sleep disorder where the sleep-wake cycle is shifted to later hours. Symptoms include difficulty falling asleep and waking up early, potentially impacting daily life, work, school, and social activities.

2019年3月26日 · Delayed sleep phase syndrome (DSPS) is a body clock disorder. Your sleep cycle is delayed, so you can’t fall asleep until two or more hours past the “normal” bedtime.

2023年10月13日 · Delayed sleep phase syndrome (DSPS) is a shift in your biological clock that makes it difficult to fall asleep and wake up. DSPS can cause severe daytime sleepiness and changes to your mood and behavior. Treatment is available to help you reset your internal clock. What is delayed sleep phase syndrome?

2023年9月21日 · To diagnose delayed sleep phase, also known as delayed sleep-wake phase disorder, a health care professional reviews your family and medical history. You also may have a physical exam. You may need several tests to diagnose delayed sleep phase or any related conditions, such as: Actigraphy.

2024年8月8日 · What is delayed sleep phase disorder? The disorder known as delayed sleep phase syndrome (DSPS) impairs your ability to go asleep and wake up on schedule. Your sleep routine is at least two hours behind schedule. Your internal clock is affected by this disorder.

Delayed sleep phase syndrome (DSPS) is a disorder in which a person’s sleep is delayed by two hours or more beyond what is considered an acceptable or conventional bedtime. The delayed sleep then causes difficulty in being able to wake up at the desired time.

2023年10月27日 · What is Delayed Sleep Phase Disorder? Delayed Sleep Phase Disorder (DSPD), also known as Delayed Sleep Phase Syndrome (DSPS), is a neurological sleep disorder in which a person's sleep/wake cycle is delayed with respect to the external day/night cycle.

2024年3月27日 · Delayed sleep phase syndrome (sometimes called a disorder) occurs when a circadian rhythm is set to a later sleep-wake time than in most people. The circadian rhythm is the internal clock that regulates your sleep. It can be disrupted when you travel, experience illness, or for other causes.