Melissa NightingaleSenior Reporter, NZ Herald - Wellington·NZ Herald·25 Jun, 2026 07:30 PM4 mins to read‌Reporter Catherine Sylvester tests out neuroscientist Dr. Andrew Huberman's recommended daily routine for a good night's sleep, better mood and more energy. A new study suggests the ventilation in New Zealand homes could be contributing to poorer sleeps, with researchers fearing this could be an under-recognised public health issue.

The study focused on 20 Wellington homes and found the amount of carbon dioxide (CO2) in bedrooms at night was worse than in