Correlations for all pairs of data series (method=pearson)
	SWS_(non_dreaming)	PS_(dreaming)	L_(lifespan)	Wb_(body_weight)	Wbr_(brain_weight)	Tg_(gestation_time)	P_(Predation_index)	S_(sleep_exposure)	D_(overall_danger)
SWS_(non_dreaming)	1	0.541	-0.371	-0.398	-0.39	-0.632	-0.339	-0.592	-0.535
PS_(dreaming)	0.541	1	-0.269	-0.075	-0.075	-0.409	-0.401	-0.504	-0.575
L_(lifespan)	-0.371	-0.269	1	0.469	0.629	0.648	-0.177	0.314	0.01
Wb_(body_weight)	-0.398	-0.075	0.469	1	0.956	0.715	0.092	0.405	0.257
Wbr_(brain_weight)	-0.39	-0.075	0.629	0.956	1	0.735	-0.02	0.322	0.148
Tg_(gestation_time)	-0.632	-0.409	0.648	0.715	0.735	1	0.093	0.574	0.308
P_(Predation_index)	-0.339	-0.401	-0.177	0.092	-0.02	0.093	1	0.626	0.927
S_(sleep_exposure)	-0.592	-0.504	0.314	0.405	0.322	0.574	0.626	1	0.79
D_(overall_danger)	-0.535	-0.575	0.01	0.257	0.148	0.308	0.927	0.79	1

Correlations for all pairs of data series with p-values
pair	Pearson r	Spearman rho	Kendall tau
SWS_(non_dreaming);PS_(dreaming)	0.5408	0.5782	0.4032
p-value	(3e-04)	(1e-04)	(3e-04)
SWS_(non_dreaming);L_(lifespan)	-0.3709	-0.424	-0.298
p-value	(0.017)	(0.0057)	(0.0065)
SWS_(non_dreaming);Wb_(body_weight)	-0.3978	-0.6126	-0.4432
p-value	(0.01)	(0)	(0)
SWS_(non_dreaming);Wbr_(brain_weight)	-0.3895	-0.6471	-0.4801
p-value	(0.0118)	(0)	(0)
SWS_(non_dreaming);Tg_(gestation_time)	-0.6322	-0.6626	-0.4923
p-value	(0)	(0)	(0)
SWS_(non_dreaming);P_(Predation_index)	-0.339	-0.2726	-0.2091
p-value	(0.0302)	(0.0847)	(0.0763)
SWS_(non_dreaming);S_(sleep_exposure)	-0.5922	-0.5652	-0.445
p-value	(0)	(1e-04)	(2e-04)
SWS_(non_dreaming);D_(overall_danger)	-0.5346	-0.4742	-0.3767
p-value	(3e-04)	(0.0017)	(0.0014)
PS_(dreaming);L_(lifespan)	-0.2695	-0.4107	-0.2528
p-value	(0.0884)	(0.0076)	(0.0217)
PS_(dreaming);Wb_(body_weight)	-0.0754	-0.4043	-0.2458
p-value	(0.6394)	(0.0088)	(0.0252)
PS_(dreaming);Wbr_(brain_weight)	-0.0749	-0.4906	-0.2928
p-value	(0.6418)	(0.0011)	(0.0077)
PS_(dreaming);Tg_(gestation_time)	-0.4088	-0.5472	-0.3777
p-value	(0.008)	(2e-04)	(6e-04)
PS_(dreaming);P_(Predation_index)	-0.4013	-0.4702	-0.3415
p-value	(0.0093)	(0.0019)	(0.004)
PS_(dreaming);S_(sleep_exposure)	-0.5044	-0.6023	-0.4493
p-value	(8e-04)	(0)	(2e-04)
PS_(dreaming);D_(overall_danger)	-0.5747	-0.6314	-0.4861
p-value	(1e-04)	(0)	(0)
L_(lifespan);Wb_(body_weight)	0.4687	0.7301	0.5506
p-value	(0.002)	(0)	(0)
L_(lifespan);Wbr_(brain_weight)	0.6285	0.8143	0.656
p-value	(0)	(0)	(0)
L_(lifespan);Tg_(gestation_time)	0.6482	0.6641	0.4905
p-value	(0)	(0)	(0)
L_(lifespan);P_(Predation_index)	-0.177	-0.0915	-0.0814
p-value	(0.2683)	(0.5693)	(0.4899)
L_(lifespan);S_(sleep_exposure)	0.3144	0.5	0.3775
p-value	(0.0453)	(9e-04)	(0.0017)
L_(lifespan);D_(overall_danger)	0.0102	0.1271	0.0968
p-value	(0.9495)	(0.4285)	(0.4127)
Wb_(body_weight);Wbr_(brain_weight)	0.9558	0.9479	0.8289
p-value	(0)	(0)	(0)
Wb_(body_weight);Tg_(gestation_time)	0.7154	0.7147	0.5245
p-value	(0)	(0)	(0)
Wb_(body_weight);P_(Predation_index)	0.0924	0.1044	0.073
p-value	(0.5658)	(0.5161)	(0.5344)
Wb_(body_weight);S_(sleep_exposure)	0.4048	0.5867	0.4715
p-value	(0.0087)	(1e-04)	(1e-04)
Wb_(body_weight);D_(overall_danger)	0.2572	0.2891	0.2052
p-value	(0.1045)	(0.0668)	(0.0815)
Wbr_(brain_weight);Tg_(gestation_time)	0.7348	0.7805	0.5735
p-value	(0)	(0)	(0)
Wbr_(brain_weight);P_(Predation_index)	-0.0201	0.073	0.05
p-value	(0.9009)	(0.65)	(0.6703)
Wbr_(brain_weight);S_(sleep_exposure)	0.3221	0.5825	0.4715
p-value	(0.04)	(1e-04)	(1e-04)
Wbr_(brain_weight);D_(overall_danger)	0.1481	0.2749	0.2066
p-value	(0.3555)	(0.082)	(0.0795)
Tg_(gestation_time);P_(Predation_index)	0.0926	0.0614	0.0352
p-value	(0.5647)	(0.7028)	(0.7648)
Tg_(gestation_time);S_(sleep_exposure)	0.5744	0.5673	0.4499
p-value	(1e-04)	(1e-04)	(2e-04)
Tg_(gestation_time);D_(overall_danger)	0.3082	0.272	0.1962
p-value	(0.05)	(0.0853)	(0.0966)
P_(Predation_index);S_(sleep_exposure)	0.6257	0.5784	0.4822
p-value	(0)	(1e-04)	(2e-04)
P_(Predation_index);D_(overall_danger)	0.927	0.9291	0.8685
p-value	(0)	(0)	(0)
S_(sleep_exposure);D_(overall_danger)	0.7899	0.7336	0.6378
p-value	(0)	(0)	(0)