One may be narcolepsy, those irresistible sleep attacks that can hit multiple times a day.

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Narcolepsy is a brain disorder characterised by sleep attacks and abnormal eye movement which affects up to one in a thousand people.

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Dr Alistair Benbow, medical director of SmithKline Beecham, said that ropinirole was associated with sleepiness, but only in a tiny minority of patients, and that the company had never previously come across patients who experienced sudden sleep attacks.

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Anxiety attacks, depression, sleep disorders, flashbacks, and difficulty trusting people are common symptoms of PTSD and of finding out a spouse is gay.

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