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Inching into your lover's personal bed space might be annoying, but new research reveals couples who sleep very close to each other are actually the happiest compared to those who just sleep close to each other.

New research reveals that the happiest couples are those who sleep less than an inch apart, according to Newser.

The latest survey of 1,000 people revealed that partners who slept within an inch of each other had an 86 percent probability of reporting that they were satisfied with their relationship compared to 66 percent of those who slept 30 inches apart or more, according to The Telegraph.

The findings also revealed that snuggling really boosts happiness. Researchers found that 94 percent of couples who touched each other throughout the night were more said they were in a happy relationship compared to just 68 percent of those who kept their distance.

The latest survey also looked at how sleeping position affected relationships. The findings revealed that 42 percent of couples slept back-to-back, 31 percent slept facing the same direction and 4 percent slept face-to-face.

According to the Independent, that sleeping with backs touching and in "spooning" position were the happiest sleeping positions. The study found that people 91 percent of people who said they slept with their backs touching and those who slept facing the same direction while touching reported being in a happy relationship.

"The key issue is if you have a couple who used to sleep close together but are now drifting further apart in bed, then that could symptomatic of them growing apart when they are awake," lead researcher Professor Richard Wiseman, a psychologist of the University of Hertfordshire, said in a news release. "Change in a couple's sleeping habits is the important factor."