Sunday is 8216;worst for a night8217;s sleep8217;

Moreover, disrupted sleep has also been blamed for a lack of concentration at work nearly 46 per cent on Mondays, increased irritability towards bosses 30 per cent and the odd impromptu nap at the desk 20 per cent.

8220;Millions of workers are starting the week tired and unmotivated,8221; according to Leigh McCarron of hotel chain Travelodge which commissioned the research.

However, the survey of 3,500 adults has found that Friday provided the best night8217;s sleep, with eight in ten people getting their least disrupted night8217;s sleep at the end of the working week, according to The Daily Telegraph.

In fact, millions of adults across the world claim they suffer regularly from insomnia and most blame concerns over work for keeping them awake on a Sunday night.

Britons are said to lose an average of 51 minutes of sleep each night to worrying, a total of one month8217;s worth of sleep every year.

Residents of Edinburgh are the biggest victims of work-related insomnia, with 47 per cent struggling to doze off every night, whereas workers in Inverness, Norwich and Brighton get the best night8217;s sleep, the researchers have found.