“GPP (n=4 per site) increased from the No Wildlife site to the Hippo site but was lowest at the Hippo + WB site (Fig. 6); however, these differences were not significant due to low sample sizes and high variability.” If we know these are not significant due to low sampe size and high variability, why even do the test?

“TRE led to a modest, but not significant, increase in sleep duration to 449.93 ± 60.87 min for the entire cohort (+12.45 ± 49.58 min of sleep, p = 0.302)”. The researchers observed a modest difference in means

“We also did not find significant changes in an objective measure of sleep efficiency (percent time asleep during sleep interval, −0.17% ± 1.99%, p = 0.728). However, this is likely due to large differences between participants at baseline.”

“Likewise, there was a trend toward a decrease in the variance of sleep onset from 3.05 h during baseline to 2.05 h during intervention (p = 0.142; Figure 2)”

“There was a small but non-significant trend toward improved sleep (decreased score) as reported on the PSQI (−0.68 ± 2.06, p = 0.164)”