| They selected their participants by chronotype, focussing on those who fell on either side of the Horne-Ostberg scale — those who preferred morning and those who preferred night. |
| Or am I in the clear because my night-owl chronotype makes me an evening angel? |
| Certain aspects of the personality, such as chronotype and introversion-extroversion, have also been associated with the degree of adaptation. |
| Whether you have a morning or evening chronotype is dictated by your biological 24-hour clock. |
| For songbirds, early risers may have a greater chance of successfully producing offspring and passing along their chronotype to the next generation. |
| Changing your chronotype takes about two weeks, but you have to stick with it. |
