cancer treatments, such as radiotherapy and chemotherapy.being underweight – poor muscle strength can make you tire more easily.being overweight or obese – your body has to work harder to do everyday activities.pregnancy – particularly in the first 12 weeks.There are several health conditions that can make you feel tired or exhausted. If you think your tiredness may be a result of low mood or anxiety, try this short audio guide to dealing with your sleep problems. See a GP, as medication and talking therapies can help. If you have constant uncontrollable feelings of anxiety, you may have what doctors call generalised anxiety disorder (GAD) in adults.Īs well as feeling worried and irritable, people with GAD often feel tired. See your GP if you think you are depressed. If you feel sad, low and lacking in energy, and you also wake up tired, you may have depression.Ĭheck how to tell if you have depression. It's also worth remembering that even positive events, such as moving house or getting married, can cause stress.Ī bereavement, redundancy or a relationship break-up can make you feel tired and exhausted. The strains of daily life can worry most of us at some point. Most psychological causes lead to poor sleep or insomnia, both of which cause daytime tiredness. Psychological causes of tiredness are much more common than physical causes. how your lifestyle may be making you tiredĪ GP will look at the following causes of tiredness:.any events that may have triggered your tiredness, such as bereavement or a relationship break-up.parts of your life, such as work and family, that might be particularly tiring.Unexplained tiredness is one of the most common reasons for people to see their GP.īefore you see a GP, you may want to work out how you became tired in the first place. It can affect your ability to get on and enjoy your life. The reasons are usually obvious and include:īut tiredness or exhaustion that goes on for a long time is not normal. The amount and periodicity of sleep in humans vary with age, with infants sleeping frequently for shorter periods, and mature adults sleeping for longer uninterrupted periods.Feeling exhausted is so common that it has its own acronym, TATT, which stands for ‘tired all the time’. In the stages of non-REM sleep, there are no dreams, and brain activity decreases while the body recovers from wakeful activity. During REM sleep, dreams occur, and memory is thought to be organized. Stages II and III repeat themselves before REM sleep (Stage V), which occurs about 90 minutes after the onset of sleep. Stage I is characterized by drowsiness, Stage II by light sleep, and Stages III and IV by deep sleep. Each cycle is longer that the one preceding it because the length of the REM stage increases with every cycle until waking occurs. These stages constitute a sleep cycle that repeats itself about five times during a normal episode of sleep. In humans and certain other animals, sleep occurs in five stages, the first four consisting of non-REM sleep and the last stage consisting of REM sleep. Growth and repair of the tissues of the body are thought to occur, and energy is conserved and stored. During sleep, the eyes usually close, the muscles relax, and responsiveness to external stimuli decreases. A natural, reversible state of rest in most vertebrate animals, occurring at regular intervals and necessary for the maintenance of health.
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