A lack of rest could put you at risk, reports US News & World Report.

Perhaps you recently awoke with a breakthrough idea or new clarity on a personal matter. “Often those aha moments are coming because sleep is allowing flexible communication between different regions of the brain,” she says. “It may only be during sleep when our brain isn’t being bombarded with lots of new information when it has a chance to just kind of form and try out and play around with different possible connections and associations with information, that we might be able to reach this aha moment – to have this point of insight.”