That is, unless you’ve got short sleeper syndrome. Short sleeper syndrome (SSS) refers to people who naturally and routinely sleep for less than six hours – usually between four and six ...

"The main symptom of short sleeper syndrome is sleeping between four and six hours each night. Typically, natural short sleepers: "Feel good and have plenty of energy, even after just a few hours of ...

And for some of them, that feeling of never quite getting enough kip will be caused by ‘long-sleeper syndrome’. The rare condition results in people waking up feeling exhausted, needing to nap ...

"Short sleep syndrome symptoms often begin when you ... but catches up by taking a week-long vacation every four months. Indra Nooyi, CEO of PepsiCo: Nooyi reportedly sleeps around four to ...