New Delhi, Dec. 27 -- The first time I used the sleep score feature on an Apple Watch was after setting-up the new Series 11 about a month ago. With the rigour of a heavy news cycle, my sleep cycle was completely awry-for a person who typically had no problems sleeping, I started facing issues such as snoring, waking up multiple times through the night, and on certain occasions struggling to sleep even when I was exhausted.

On the first night, the 'sleep' app on Apple Watch Series 11, which ran watchOS 26 out of the box, showed a redesigned interface with a score readout. A quick glance at it showed a score of about 55-which explained itself by saying that this was a preliminary score based on general parameters. The previous night, I'd ...