Don't Sleep Brother, Don't Sleep) is a 1983 Indian Tamil-language masala film[1] directed by S. P. Muthuraman, starring Kamal Haasan in a double role, supported by Radha and Sulakshana.

To claim the property of Vinod, the estate manager with his mob guys assaults him and make him a drug addict by repeated injections administered by a fake doctor.

[5] In 1983, AVM Productions launched a film with the same name starring Kamal Haasan.

[6][2] To shoot an expensive climax involving helicopter chase, the makers took inspiration from the climax of Hindi film Dil Kaa Heera at the insistence of journalist Manian by taking long shots of bursting helicopter from that film and matched along with the actors.

[11] The song "Naanaga Naanillai" was well received and it based on Chandrakauns raga which resembles Hindolam.