Why is Sidharth Malhotra having sleepless nights?

It's clear by now that fans across are eager to see actor Sidharth Malhotra in a completely different avatar, which he's pulling off only too well in the promos of Ek Villain.
Since the trailer launch, Sidharth has got a fantastic response for his look and acting from all quarters.However, Sidharth personally has been very nervous.But how many of us know that the poor actor actually dealing with sleepless nights? All because his film is on the brink of release. A serious case of the nerves indeed
Sidharth Malhotra's got a case of the nerves
The young actor made his debut with Student of the year and instantly became popular. In his next film, Hasee Toh Phasee with Parineeti Chopra he earned accolades for his performance. However, Ek Villain is very different from both of his previous outings. Sidharth has been experimenting with his roles and is a versatile actor.
With Ek Villain he will be seen pushing the envelope further. Says Sidharth Malhotra "I have recieved positive reactions from everyone who has seen the film but I am still nervous." He further adds "It's a big release for me. I have been having sleepless nights thinking of Villaintines Day."
sOURCE India Today