Table 1.

The period calculated from each of the Per2-Luc profiles using the Cosinor program

Stimulation	Period [h]
2 J m−2	25.3 ± 0.5
5 J m−2	25.3 ± 0.8
10 J m−2	24.8 ± 0.7
15 J m−2	22.3 ± 1.2
20 J m−2	21.1 ± 1.9
30 J m−2	Not periodic
50 J m−2	Not periodic
100 J m−2	Not periodic