diff --git a/adapative.go b/adapative.go
index c0cc002..772021e 100644
--- a/adapative.go
+++ b/adapative.go
@@ -8,8 +8,8 @@ import (
 
 const (
 	// arbitrary values to be most likely out of sync with anything else:
-	minNightshiftTime = 6561 * time.Millisecond // ~6sec
-	maxNightshiftTime = 59049 * time.Second     // ~2/3day
+	minNightshiftTime = 729 * time.Millisecond // ~1sec
+	maxNightshiftTime = 59049 * time.Second    // ~2/3day
 )
 
 type adaptive struct {