Biden admits using sleep apnoea treatment device
The president uses a CPAP machine, the White House said after reporters spotted marks on his face.
2023-06-29 07:50
Elon Musk: Tesla boss on first China trip in over three years
The multi-billionaire has not yet publicly commented on the visit, which comes amid US-China tensions.
2023-05-31 13:50
Sleeping will be one of the challenges for astronauts on Mars missions
Astronauts have been adjusting to the challenges of sleeping in space for years, including light exposure and zero gravity. The lessons learned from their experiences could help ensure that the first crewed missions to Mars get enough rest.
2023-05-12 21:53