Insomnia is a common sleep disorder that can make it hard to fall asleep, hard to stay asleep, or cause you to wake up too early and not be able to get back to sleep. You may still feel tired when you wake up.
Insomnia is difficulty getting to sleep or staying asleep for long enough to feel refreshed the next morning. It's a common problem thought to regularly affect around one in every three people in the UK, and is particularly common in elderly people.
Short sleeper syndrome (SSS) is a sleep condition characterized by sleeping for fewer than six hours each night. Most adults need seven or more hours of sleep each night to feel rested in the morning. Those with SSS, however, can function normally throughout the day despite less sleep.
An ongoing lack of sleep has been closely associated with hypertension, heart attacks and strokes, obesity, diabetes, depression and anxiety, decreased brain function, memory loss, weakened immune system, lower fertility rates and psychiatric disorders.
Sleep deprivation makes us moody and irritable, and impairs brain functions such as memory and decision-making. It also negatively impacts the rest of the body – it impairs the functioning of the immune system, for example, making us more susceptible to infection.
In addition, infection-fighting antibodies and cells are reduced during periods when you don't get enough sleep. So, your body needs sleep to fight infectious diseases. Long-term lack of sleep also increases your risk of obesity, diabetes, and heart and blood vessel (cardiovascular) disease.
Insomnia is rarely an isolated medical or mental illness but rather a symptom of another illness to be investigated by a person and their medical doctors. In other people, insomnia can be a result of a person's lifestyle or work schedule.
Examples of conditions linked with insomnia include chronic pain, cancer, diabetes, heart disease, asthma, gastroesophageal reflux disease (GERD), overactive thyroid, Parkinson's disease and Alzheimer's disease. Sleep-related disorders.
Fu says researchers have found that short sleepers tend to be more optimistic, more energetic and better multitaskers. They also have a higher pain threshold, don't suffer from jet lag and some researchers believe they may even live longer.
In fact, the study's authors determined that a full night of interrupted sleep is equivalent to no more than four hours of consecutive sleep, in terms of how you'll likely feel and act the next day.
As a matter of fact, stress is the No. 1 reason people report a lack of sleep. But it's not the only insomnia trigger. Many things can cause insomnia, including poor sleep hygiene, illness, drug side effects, chronic pain, restless legs syndrome, or sleep apnea.
It isn't clear how long humans can truly survive without sleep. But it is clear that extreme symptoms can begin in as little as 36 hours. This includes a reduced ability to think, poor decision-making, and speech impairment. Pulling an all-nighter once every couple of months likely won't do any long-term damage.
Mental health conditions, such as depression,4 anxiety,4 or post-traumatic stress disorder (PTSD) Traumatic brain injury (TBI) Neurological (brain) disorders, such as Alzheimer's disease or Parkinson's disease. Conditions that cause chronic pain, such as arthritis.
There is a definite link between lack of sleep and depression. In fact, one of the common signs of depression is insomnia or an inability to fall and stay asleep. That's not to say insomnia or other sleep problems are caused only by depression.
While insomnia can be a symptom of psychiatric disorders, like anxiety and depression, it is now recognized that sleep problems can also contribute to the onset and worsening of different mental health problems, including depression, anxiety, and even suicidal ideation.
While acute insomnia will often go away on its own, it can still have dangerous effects. If you have chronic insomnia, there are steps you can take to try and lessen your symptoms.”
The short answer is: Yes, in many cases, insomnia can resolve without any help from a doctor — but it often depends on recognizing and addressing the multiple problems that can add up to a major disruption in sleep.
The cumulative effects of sleep loss and sleep disorders have been associated with a wide range of deleterious health consequences including an increased risk of hypertension, diabetes, obesity, depression, heart attack, and stroke.
Sleeping less than seven hours per day is associated with an increased risk of developing chronic conditions such as obesity, diabetes, high blood pressure, heart disease, stroke, and frequent mental distress.