LONGMONT (AP) – Tom couldn’t sleep.

After six years in the U.S. Navy, he found himself in the civilian world unable to readjust from his time on a ship, when a commanding officer would often wake up the sailors every few hours. He tried prescription sleep aids, but nothing really worked until he smoked some weed. “I tried it very sparingly and slept the whole night for the first time in like months,” Tom said.

For members of the U.S. military, admitting to using marijuana could result in an investigation, and in most cases, punishment or separation from the military. Because of this, many of the veterans who use marijuana chose not to reveal their last names to the Times-Call for this story.

Attorney Will M. Helixon, an expert in military law, said the military still considers marijuana a controlled substance. Someone in active duty caught using the drug could be punished, and in most cases, processed for separation from the military. For someone who is not on active duty, it could still result in a discharge, which could close the door for future benefits and career options.

Helixon said it makes no difference to the military if marijuana is legal in some states, such as Colorado. “There are many instances where otherwise lawful conduct is prohibited by the military, marijuana being one of them,” Helixon said. “To not be efficient in your job or to be derelict in your duties is not a crime in the civilian world, but it is in the military.”

Tom, in his early 30s, said the prescription sleep aids had severe side effects he didn’t care for. He said he doesn’t think his sleeplessness is due to post-traumatic stress disorder because he never saw combat.

“Over the course of six years, you establish the pattern of always getting your sleep interrupted to go run drills or whatever it is,” Tom said about his time in the Navy.

Tom said he much prefers marijuana over drinking, even though branches of the military are no strangers to alcohol consumption.

“The Navy has, I don’t want to say a tradition, but we’re known for being heavy drinkers. There’s that saying ‘drunk as a sailor,’” Tom said.

Juan, who is 50 and was in the U.S. Marine Corps, expressed the same sentiment.

Juan broke his collarbone from injuries not related to the military, he said.

“I just drank all the time to numb the pain but marijuana works much better and for sleep as well,” Juan said. Marijuana “doesn’t really get rid of the pain. It changes it to something more manageable if that makes sense … it like feels good to get it moving, like a massage.”

Curt Bean, 31 of Lakewood, was diagnosed with PTSD after tours in Iraq with the U.S Army.

Bean said he knows a fellow veteran who went from taking 14 medications for PTSD to three medications after starting marijuana.

“The three biggest things for me – anxiety is really tough and then there’s depression and sleeplessness,” Bean said. “I’m able to have something to mitigate that in a healthy and positive way with zero negative side effects.”

Bean said he is heavily involved in the Colorado veterans community and he has seen other veterans switch from opiates to marijuana with positive effects.

“They were just being zombies. And the marijuana allowed them to be a successful part of their families and their communities,” Bean said. “It allowed them to be part of their communities rather than isolating them in their room.”

Bean was one of a group of four veterans and one sexual assault survivor who sued the state Board of Health. The Board of Health ruled against adding PTSD to the list of qualifying conditions for a medical marijuana card.

A Denver District Court judge upheld the Board of Health’s decision and the veterans and survivor are appealing the decision, according to The Cannabist.

Bean said he knows many veterans are afraid to come out and say they use marijuana, but he is trying to raise more awareness about the issue. Bean has smoked marijuana on a few local news stations.

“I understand the ramifications of doing that, but it takes people to stand up and say, ‘It’s silly,’ for this to become less of an issue,” Bean said.

Bean said he wished the VA would come around and see his perspective on marijuana use for PTSD.

“It’s a matter of time. The longer they wait and drag their feet, the lower the quality of life for veterans and there is some loss of life,” Bean said. “That’s the most upsetting thing – that I’m on this expedition to be able to say that this is a valuable option for the guys and they should be able to use it because it does save lives.”