Sleep plays a crucial role along with the diet and exercise for overall wellbeing. According to FitBit Survey India ranks 2nd worldwide for being sleep deprived country. Sleep deprivation is known to adversely affect cognition and motor performance. This might impair an individual’s capacity to perform adequate oral hygiene practices, thus increasing the risk of periodontal disease. Aim and Objectives: – To assess if there is an association of sleeping less than 7 hours a night and chronic periodontitis in individuals of age 25 years and above. Methodology: – 94 subjects were divided equally into 2 groups (n=47): Clinically healthy and periodontitis. Clinical parameters assessed were Gingival index, Plaque index and Pocket probing depth. All the study subjects were administered PSQI questionnaire for the assessment of sleep deprivation. Results: Present study revealed that mean PSQI was highest in periodontitis group as compared to healthy group and the difference among the two groups was statistically significant. Conclusion: The present study suggests strong association of sleep deprivation with severity of periodontal disease.