Sleepless nights caused by a crying baby are blamed by parents for the breakdown of up to a third of relationships, The Guardian reports.
A survey of two-thousand British parents found that 30 per cent of those who had divorced or separated blamed sleepless or interrupted nights caused by their children.
Eleven percent admitted pretending to be asleep when their child woke up so their partner would have to deal with them.
Another eleven per cent say they shut the door to block out the noise while nine per cent turned up the television.
Parents with a young child get about six hours sleep a night, an hour less than are recommended.
Experts also say that adults need at least five hours' uninterrupted sleep to be able to function and concentrate properly the next day.
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