People are often not aware of the extent of their sleep deficiency. Sleep needs may vary from person to person but the general sleep requirements recommended by experts are as follows: Newborns: 16-18 hours a day. Preschool-aged children: 11-12 hours. School-going children: 10 hours. Teens: 9-10 hours. Adults (including elderly): 7-8 hours. While we may get by with less sleep on a prolonged basis, it is important to remember that ‘catching up’ on a sleep deficit accumulated over the week over the weekend does not provide the same restorative and beneficial effects as regular sleep does. It’s not a question of just balancing numbers but of respecting the process. In today’s world of 24/7 connectivity, it is a big challenge for humans to disconnect and accept that the world will continue to function for those few hours when we sign off — simply because productivity is increasingly associated with being awake longer. This may play out quite to the contrary if the complexity of...