TENNIS-OPEN/VENUS (PIX):Tennis-Life is beautiful, Venus says, brushing off commentator row

TENNIS-OPEN/ORDER:Tennis-Australian Open order of play on Friday

TENNIS-WOMEN/OPEN-RESULTS (UPDATE 14):UPDATE 14-Tennis-Australian Open women's singles round 2 results

TENNIS-WOMEN/OPEN-RESULTS (UPDATE 13):UPDATE 13-Tennis-Australian Open women's singles round 2 results

TENNIS-WOMEN/OPEN-RESULTS (UPDATE 12):UPDATE 12-Tennis-Australian Open women's singles round 2 results

TENNIS-WOMEN/OPEN-RESULTS (UPDATE 11):UPDATE 11-Tennis-Australian Open women's singles round 2 results

TENNIS-WOMEN/OPEN-RESULTS (UPDATE 10):UPDATE 10-Tennis-Australian Open women's singles round 2 results

TENNIS-WOMEN/OPEN-RESULTS (UPDATE 9):UPDATE 9-Tennis-Australian Open women's singles round 2 results

TENNIS-WOMEN/OPEN-RESULTS (UPDATE 8):UPDATE 8-Tennis-Australian Open women's singles round 2 results

TENNIS-WOMEN/OPEN-RESULTS (UPDATE 13):UPDATE 13-Tennis-Australian Open women's singles round 1 results

TENNIS-WOMEN/OPEN-RESULTS (UPDATE 15):UPDATE 15-Tennis-Australian Open women's singles round 1 results

TENNIS-WOMEN/OPEN-RESULTS (UPDATE 9):UPDATE 9-Tennis-Australian Open women's singles round 1 results

TENNIS-WOMEN/SHENZHEN-RESULTS (UPDATE 8):UPDATE 8-Tennis-Shenzhen Open women's singles round 1 results

TENNIS-WOMEN/OPEN-RESULTS:Tennis-U.S. Open women's singles round 2 results

TENNIS-WOMEN/OPEN-RESULTS (UPDATE 10):UPDATE 10-Tennis-U.S. Open women's singles round 2 results

TENNIS-WOMEN/OPEN-RESULTS (UPDATE 9):UPDATE 9-Tennis-U.S. Open women's singles round 2 results

Such an app could make it easier and cheaper to accurately keep tabs on the quality of sleep than sensor-laden wristbands or devices that s...