A macabre discovery was made at a Planet Fitness in Indianapolis when Derek Sink, 39, was found deceased in a tanning bed three days after he was last seen entering the gym on November 11.The grim find occurred about four hours after the facility had opened for the day.

Days after Derek Sink’s body was discovered in a Planet Fitness tanning bed, his mom shared more about her son and what may have led up to the moments before his death.

Family told 13News that 39-year-old Derek Sink visited a tanning bed on Friday and was found dead there Monday morning.