Despite of the recent studies on awareness regarding brain fog, people are not aware about the alarming sign, and how to prevent the brain fog. Brain fog usually Impacts older population, in this study the researcher intend to assess the awareness regarding brain fog and its perceived impact on Activities Of Daily Living (ADL) among postmenopausal women who are the vulnerable population of Brain fog. The main objective of the study is to find out the level of awareness regarding Brain Fog and its Perceived impact on Activities Of Daily Living among postmenopausal women in selected areas of Joya U.P. with a view to develop and disseminate an information booklet. study was conducted in Joya U.P. India (Sarakdi aziz, Narangpur, Premnagar, Kalakheda areas). Target population is postmenopausal women. The sample size for the study was 300 and it is calculated by using power analysis. Multi-stage sampling technique is used, The collected data was organized in master data sheet and analyzed using descriptive and inferential statistics as per objectives of the study, using SPSS version20. The finding outs of the study is nearly half above half percentage 151(50.33%)of samples belongs to the age group of 45 to 50 years, 81(27.00%)of samples belongs to the age group of 51 to 55 years and 68(22.67%)of samples belongs to the age group of 56 to 60 years. Among 300 samples, maximum of the percentage i.e 286(95.33%)of samples are having Inadequate level of Awareness regarding brain fog and its perceived impact on Activities of Daily Living, 14(4.67%)of samples are having Moderate level of Awareness, and 0(0.00%)of samples are having Adequate level of Awareness regarding brain fog and its perceived impact on Activities of Daily Living.