Experts reveal the 'secret' on keeping to your New Year's resolutions this time - as figures show two thirds of people abandon theirs

Experts have revealed what they believe to be the 'secret' to maintaining your New Year's resolutions this time around, with the answer proving to be simpler than you'd expect. Speaking to the Telegraph, Benjamin Gardener, the study's director and head of the Habit Application and Theory Group at the University of Surrey, said: 'When we're trying to make positive changes to our behaviour, feeling drowsy can put us at real risk of lapsing back into our old, unwanted bad habits. New research has found that sleep is the most important factor in maintaining your goals for the new year Tiredness can promote falling back on old bad habits, the survey has found Research has also proven that tiredness can make self-control more difficult and in-turn promote falling back on old, unhealthy habits. Reinforcing the importance of sleep in maintaining New Year's goals, Dr Rebar added: 'Feeling sleepy diminishes our ability to exert that determination over other competing desires and temptations.