When it comes to getting a job done, members of the military generally have it sorted - and falling asleep is no exception.
Sleep experts say adults should aim for seven to nine hours of sleep a night, but this isn't always easy if you're one of the many who find it difficult to get forty winks.
A recent survey found around two thirds (65%) of Brits admitted to not getting enough sleep each night, with stress, parental duties, screens, work or simply the inability to switch off.
