Light at night increases body mass by shifting the time of food intake
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Light at night increases body mass by shifting the time of food intake
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Light at night shifts the timing of food consumption in mice relative to a standard light/dark cycle.
Quoted textsource-backed
the timing of food consumption by DM and LL mice differs from that in LD mice... DM mice consume 55.5% of their food during the light phase, as compared with 36.5% in LD mice
In male mice, housing under bright or dim light at night increases body mass compared with a standard light/dark cycle.
Quoted textsource-backed
Mice housed in either bright (LL) or dim (DM) LAN have significantly increased body mass ... compared with mice in a standard (LD) light/dark cycle
The increased body mass under light at night occurs despite equivalent caloric intake and total daily activity output.
Quoted textsource-backed
despite equivalent levels of caloric intake and total daily activity output
Restricting food consumption to the active phase in dim light at night mice prevents body mass gain.
Quoted textsource-backed
Restricting food consumption to the active phase in DM mice prevents body mass gain.
Low levels of light at night disrupt the timing of food intake and other metabolic signals, leading to excess weight gain.
Quoted textsource-backed
These results suggest that low levels of light at night disrupt the timing of food intake and other metabolic signals, leading to excess weight gain.
In male mice, bright or dim light at night reduces glucose tolerance compared with a standard light/dark cycle.
Quoted textsource-backed
Mice housed in either bright (LL) or dim (DM) LAN have significantly increased body mass and reduced glucose tolerance compared with mice in a standard (LD) light/dark cycle