sarabande
Well-Known Member
They are good for your sleep quality.
http://www.cell.com/current-biology/fulltext/S0960-9822(11)00539-2
If you have a rocking hammock or bed with a swing period of about 4 seconds, then your sleep 'quality' increases substantially, especially for naps.
Which is perhaps why boats are good for you, too ?
Look at the graph, low centre (red line)
http://www.cell.com/current-biology/fulltext/S0960-9822(11)00539-2
If you have a rocking hammock or bed with a swing period of about 4 seconds, then your sleep 'quality' increases substantially, especially for naps.
Which is perhaps why boats are good for you, too ?
Look at the graph, low centre (red line)