A study reported by Daily Mail says reducing sleep by about 80 minutes per night is associated with weight gain. The article describes the increase as roughly one pound every six weeks among people who get less sleep, compared with those who sleep more. It also reports that people who cut back on sleep are more likely to spend additional time sitting during the day, which may compound health risks.
The coverage presents sleep restriction as a measurable factor that correlates with changes in body weight and daily activity patterns. While the articles focus on the magnitude and timeline of weight gain, they also highlight that reduced sleep coincides with greater sedentary behavior. The overall message is that even relatively small reductions in nightly sleep may have effects on health, particularly through weight changes and increased sitting time.
These reports rely on the underlying research described by the outlet, without providing further details about study design in the excerpts provided.