How Much Sleep Do I Need?

The national sleep foundations 20 15 guide for healthy sleep durations agrees to come up with this guide, a panel of sleep experts use the available scientific data. Perfect how much sleep we need depends on how we are biologically hard wired and on our bodies current needs. The takeaway message is twofold. Not only do healthy sleepers differ from each other in how much sleep they need, but healthy sleepers also change their sleep needs overtime.