Effect of B. Longum 1714™ on Sleep Quality

Inclusion Criteria: 1. Provide written informed consent 2. Age: 18 to 45 years of age 3. BMI \< 29.9 kg/m2 4. Be willing to refrain from taking any dietary supplements or other fermented foods that contain live bacteria during the study 5. Be willing to refrain from taking any medications or preparations to improve sleep (herbal, dietary supplements, homeopathic preparations, etc.) during the study 6. If using products that contain nicotine or caffeine, agrees to continue current usage levels throughout the length of the study 7. Agrees not to undertake air travel exceeding two time zones during the period of the study 8. PSQI score of 5 and above 9. HADS-A and HADS-D score of 14 and below 10. ISI score below 11 11. Be willing to maintain stable dietary habits and physical activity levels throughout the study period 12. Be able to communicate well with the Investigator, to understand and comply with the requirements of the study and be judged suitable for the study in the opinion of the Investigator Exclusion Criteria: 1. Less than 18 or older than 45 years of age at the time of consent 2. Use of dietary supplements or other fermented foods that contain live bacteria 3. Participant who has been on antibiotics during the past 3 months 4. Participant with a malignant disease or any concomitant end-state organ disease and/or laboratory abnormalities considered by Investigators to be risky or that could interfere with data collection 5. Participant who has a significant acute or chronic coexisting illness \[cardiovascular, history of co-existing gastrointestinal, and/or gynaecological, and/or urologic pathology (e.g. colon cancer, colitis, Crohn's, celiac, IBS, endometriosis, prostate cancer) or lactose intolerance 6. Participant with inflammatory disorders (e.g. chronic fatigue syndrome, psoriasis, rheumatoid arthritis or any other inflammatory arthropathies) 7. Psychiatric diagnosis other than anxiety or depression 8. Participant who is severely immunocompromised (HIV positive, transplant patient, on antirejection medications, on a steroid for \>30 days, or chemotherapy or radiotherapy within the last year) 9. Participants who are on anxiolytics, anti-depressants, antipsychotics, anticonvulsants, centrally acting corticosteroids, opioid pain relievers, hypnotics, and/or prescribed sleep medication/ herbals (e.g. valerian) 10. Combined SF36 score of greater than +2 SD from the mean 11. Participants with a history of drug and /or alcohol abuse at the time of enrolment 12. Pregnant or lactating female, or pregnancy planned during study period 13. Participants who have undertaken air travel involving transit across two or more time zones in the month previous to the study 14. Participants who are shift workers 15. Participants with sleep disorders diagnosed by a physician such as sleep apnoea; 16. Known allergy to any of the components of the test product 17. History of illicit drug use 18. Participation in a clinical study with an investigational product within 60 days before screening, or plans to participate in another study during the study period 19. Participant has a history of non-compliance