Employees have gained increased flexibility in organizing their work in time and space, that is boundaryless work. Managing the boundaries between work and personal life would seem to be crucial if one is to psychologically detach from work during leisure in order to unwind and get sufficient...

This chapter summarizes the knowledge on sleep and restitution. Sleep constitutes the recuperative process of the central nervous system. The use of the brain during wakefulness will lead to depletion of energy in the cortical areas locally responsible for activity. The level of depletion is...