I think so because the aren't exactly dieing, but then again because we believe that experience only occurs with near death situations doesn't mean is is so. It's quite possible I guess, for comatose people to have these experience's.
Mother in Coma Heard Everything, Was Scared They"d Turn Off Her Life Support
Kate Allat suffered a stroke at the age of 39 and the mother spent 10 days in a coma afterwards. Now that she is past that frightful ordeal, Allat reveals in a new interview that she heard everything going on around her in her hospital room and she was fearful her life support would be turned off. Ref. Source 5
Man Awakens After 12 Years in a "Vegetative State," Says "I Was Aware of Everything"
In the 1980's, 12-year-old Martin Pistorious became seriously ill with what doctor's believed was Cryptococci Meningitis. His health started deteriorating and Martin lost his ability to move, make eye contact and even speak to others. His doctors told his parents, Rodney and Joan Pistorious, to bring him home and let him die. They told them he was as good as a vegetable. Ref. Source 6
Four Hours Before the Hospital Planned to Turn Off Her Ventilator, She Woke Up
On December 12, 56-year-old Teri Roberts fell ill with flu-like symptoms which quickly turned serious. Admitted to the hospital, the grandmother-of-five “was diagnosed with Group A streptococcus, which led to toxic shock syndrome,” The Daily Mail reported. Her condition steadily worsened. Ref. Source 9