In women with baseline flashes , hormone therapy use significantly improved the scores for sleep ( 0.787 [ 0.243 ] vs 0.557 [ 0.249 ] , hormone therapy vs placebo , P = 0.001 , at 6 mo ) , memory and concentration capacity ( 0.849 [ 0.228 ] vs 0.454 [ 0.301 ] , P < 0.0001 , at 6 mo ) , and anxiety and fears ( 0.942 [ 0.133 ] vs 0.826 [ 0.193 ] , P = 0.005 , at 6 mo ) .