Celina Jaitley is sleep deprived ever since she gave birth to twins.

"Mothers of twins are basically part of a scientific experiment to prove that sleep is not a crucial part of human life... good morning, " tweeted Celina, referring to her current state.

The actress, married to hotelier Peter Haag, gave birth to twin boys -- Winston and Viraaj -- in March.

Ever since her wedding in July 2011, she has been living in Dubai.