How do we sleep? Towards physical requirements for space and environment while travelling
P. Vink (TU Delft - Emerging Materials)
G. Vledder (TU Delft - Emerging Materials)
M. Smulders (TU Delft - Emerging Materials)
Y Song (TU Delft - Emerging Materials)
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Abstract
To establish guidelines for sleeping space in vehicles, the sleeping postures of 189 participants are studied, 105 of them were asked to take the position in which they fall asleep and 84 have been asked to assume the position in which they lie most of the time. Seven percent slept on the stomach, 19% on the back and 74% on the side and 49% slept on the side with both legs flexed. For all participants a bed size of 200 × 90 cm will do. It is discussed that for one night while travelling a bed size of 171 × 76 cm might be sufficient as it results in a reasonably good sleep according to another study and in almost half of the cases in this study people sleep on the side with both legs folded. Apart from the sleeping space for a good sleep, attention is needed for a dark environment with a good temperature and relative silence.
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