It has been more than 4 months since I have written something on this blog. My apologies. I was preparing for PhD admissions in the month of May. I joined Centre for Policy Studies, IIT Bombay for my PhD programme. Last 2 months were packed with course work and  assignments and I was super-busy due to submission deadlines. Now that I have settled down in the campus, I thought to update the blog. I have lot many new things to share with you all. However, today, in this post, I have decided to tell you the most interesting thing that I discovered just now (literally just now!! few hours before typing this post!)

    It has been years since I attended regular classes. Literature readings and assignment submissions have been routine tasks of everyday life after joining PhD programme. I started playing table tennis, snooker and working out in gym at night to get relaxed from daily intellectual exhaustion. Gym was on my agenda for quite some time. I made couple of new friends; Abhijeet and Ankur who accompany me in these activities. Ankur only joins for table tennis and snooker while Abhijeet is okay with anything.

    I have learnt lot of things from both of them in last couple of months. However, things became quirky when I observed that my daily schedule has become abnormal. I observed that my sleeping patterns have been changed over the last couple of months. I have been sleeping inconsistently in a 24-hours day-night cycle. Records about bed-times in my daily diary validated my intuition! This is how I started experimenting with my sleep to optimize myself.

    I have experimented with early-morning routines earlier but they didn’t last for more than month for some or other reasons. It was clear to me that I am not early bird but at the same time, I did not want to be night owl!!

    Each time after working out in gym at night, I could not sleep till 3-4 AM! I used to either study/ chill out in night-canteen with buddies or watch web series and YouTube videos in the mean time. This was normal till I skipped gym for some days due to studies. Those days, despite of skipping gym and other physical activities, I couldn’t sleep till 3-4 AM. I found that my body had adopted change-in-lifestyle and hesitated to sleep early! I reversed the change to some extent and consulted with doctor in campus hospital and followed minimum buffer time between meal, sleep and gym. These guidelines limited my experiments with sleep. Once, I slept for straight 12 hours from 10 PM till 10 AM. The height of experimentation happened when I did not sleep at all for whole night! I had enough sleep in the evening that helped me stay awake whole Saturday night! Though it was technically fulfilling all criteria suggested by doctor, I was not convinced with the pattern!

    I was writing down the changes in productivity and ease in my daily diary. Two good things happened during this experimentation period. First, I could study more (but not better in all cases); second, I mastered in short naps in afternoon to heal my body against fatigue generated during midnight-drama.multiple sleep modelThe Solution:

    The whole experiment ended (I suppose that is has ended) when an idea of bi-phasic sleep cycle (actually a new sleeping model for me) struck in my mind. I checked it on internet and found that it is well-documented sleeping model that our ancestors were following!! Bi-phasic sleeping cycle involves 2 distinct sleep schedules over 24 hours day-night cycle; one at night and other in afternoon mostly after midday meal.

   The bi-phasing sleeping cycle used to be tradition in China, India, South Africa, Italy, Spain and in the regions where the weather is warm.Not going too far, Punekers world famous tradition of sleepng in afternoon (closure of market from 1 PM to 4 PM) is also an example of bi-phasing sleeping tradition. Industrialization and modernization seems to have changed the tradition to monophasic sleeping cycle (taking 7-8 hours long sleep at night in one go).

    In many articles and in online communities, some people report that biphasic sleep schedules really work for them. You can find more information about biphasing sleep in this article.

   I am happy that I found something that is well-followed by large no. of people over the course of time. As of now, I don’t see any reason to not to follow this new sleeping model. I am sure that splitting sleeps will keep me more alert and make more productive! I am hopeful that my experiments with sleep will end here!! Only time will tell if I have found perfect solution or need more iterations. 😉

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