«Our research offers novel insight into this common sleep disorder and provides a clear scientific link between action monitoring, consciousness, and sleepwalking.» (sciencedaily.com)
Jiang: China has signed agreements on scientific cooperation with the governments of 95 countries and established scientific links with more than 150 countries and regions. (sciencemag.org)
There is no real scientific link to insist that sitting upright unassisted be on the list, except that it is probably always listed (in nearly everything on the subject) because of safety. (mommyedition.com)