Then patients slept on a bed with the head end elevated by a 20-cm block for the next 6 consecutive days from day 2 to day 7. The pH test was repeated on day 2 and day 7. Each patient acted as his ...

Zero-gravity sleep mimics the neutral body posture astronauts use in space. On Earth, this typically means lying on your back ...

We raised the entire bed frame at the head end with wooden blocks of 20 cm in height. None of our patients had any problems in sleeping on the bed with the head end elevated on blocks. These ...