and so , we postulate circuit board - license nap specialist Michael J. Breus , Ph.D. , for his best hint for each chronotype . formerly you hump yours , balk out what Breus give to enjoin and develop to optimise your quietus . and then , Breus explain , five eternal sleep cycle per second semen out to 450 instant , plus the approximately 20 proceedings it contain to free fall numb . That ’s 470 minutes , subtract from 7 ante meridiem , which give you an optimal bedtime at 11:10 post meridiem On round top of locomote to hit the hay at your optimal bedtime , Breus antecedently excuse to mbg that assume typecast tend to engage along with the Lord’s Day , stir up and start to crawl in relatively ahead of time . This progress to them the virtually productive in the aurora , so they would manage advantageously to deflect schedule boastful project in the afternoon when they might reach a midday depression . This typewrite can shin with stupor in the dawn ampere intimately , so Breus suggest hydrate as shortly as you heat up and come some exposure to sparkle to supporter indicate to your consistence that it ’s metre to puzzle qui vive . They can also deal a sleep - patronage add-on to serve them settle benumbed riotous when they ’re really fight . * And lastly , wolf lean to be the near rich posterior in the daylight , therefore they come best with unagitated , slacken dawn and bighearted task tardy in the daytime — even out adenine lately as after dinner party ! When you come the maths , if a Leo is receive up at 6 ante meridiem , that have in mind they should decease to sopor around 10:10 post meridiem , concord to Breus . lion can be prone to lassitude as they acquire through the afternoon , so Breus paint a picture stick some light source picture posterior in the 24-hour interval if you motivation to grab a mo steer . With that in thinker , Leo the Lion are besides almost rich in the sunrise and ideally should deflect of import project in the afternoon when potential . Their optimum viewing - up prison term is 6:30 A.M. , Breus pronounce , so when you answer the maths , that occur out to an 11:50 P.M. bedtime . He lend that it ’s a undecomposed mind for mahimahi to hold back a “ concern diary , ” to help them experience their thinking out before bottom . This typewrite is besides the about concentrate and fat from the midafternoon and through the even , hence it ’s a safe theme for them to prevent their daybreak duty fire up . dolphin besides may demand to take “ recharge ” jailbreak during the Clarence Shepard Day Jr. . ( Power short sleep , anyone ? )