article_snippet: Narcolepsy, which affects about 30,000 people in the UK, can cause excessive sleepiness and affects the brain's ability to regulate the normal sleep-wake cycle.
article_snippet: Mrs Hughes' said: 'It can be quite dangerous' Narcolepsy is a condition that affects around 0.05 per cent of a population.
article_snippet: It is a rare sleep disorder, which affects the brain's ability to regulate the normal sleep-wake cycle.
article_snippet: It can cause symptoms including a disturbed night's sleep as well as excessive tiredness during the day.
article_snippet: But, for narcoleptics, They sleep pattern is much more fragmented.
article_snippet: It is thought that about 75 per cent of patients with narcolepsy have cataplexy.
article_snippet: Source: Narcolepsy UK . '
article_snippet: Narcolepsy makes me do other strange things as well.