Translations:Siesta/19/en

Despite the advantages, adaptations to this variant are known to be harder than the default version, because shifting the main sleep away from the SWS peak will require management of food, exercise and lighting to ensure a sufficient amount of SWS. (See also: dark period) Those with lower SWS requirements will likely find this easier. The short core is pushed much later into the afternoon and early evening. This core may start as late as 19:30. Even so, however, it may be still be socially intrusive.