If you don't want an expensive Alarm system but would like to be alerted when asleep, this is the best one wireless home alarm.

The Vstar complete wireless security alarm system kit is a comprehensive DIY wireless security system that is easy to install and ready to use. Designed for a medium-sized house and can be expanded for businesses, offices, 24-hour stores, retail operations and more. When triggered, siren will sound and signal will be sent to wireless dialer to call up to 6 pre-programmed phone or pager numbers and play prerecorded message (land line required).

Wireless 434 MHz Alarm System with Zone Indicator Identifies Zone Areas Where Security Has Been Compromised (Zone Indicator Panel Shows Which Alarm Sensor is Ringing)Monitor Doors Windows Cabinets and anything that can Open and Close. Detect Motion with the Infrared Motion Detector ,Sensors Transmit a High-Pitched Alarm to Warn off Intruders,2 Keychain Remote Controls Included to Arm and Disarm the System.