App crashes after period of none use! - web chrome

Running the app with ionic serve on the development computer I often find that if I leave the app running and not touch the computer then after a while (1/2 hour) the app crashes with the following error:

FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of memory

npm ERR! Windows_NT 10.0.14393
npm ERR! argv “C:\Program Files\nodejs\node.exe” “C:\Program Files\nodejs\node_modules\npm\bin\npm-cli.js” “run” “ionic:serve” “–” “–v2” “–address” “” “–port” “8100” “–livereload-port” "35729"
npm ERR! node v6.10.0
npm ERR! npm v3.10.10
npm ERR! ionic-hello-world@ ionic:serve: ionic-app-scripts serve "--v2" "--address" "" "--port" "8100" "--livereload-port" "35729"
npm ERR! Exit status 3
npm ERR!
npm ERR! Failed at the ionic-hello-world@ ionic:serve script ‘ionic-app-scripts serve “–v2” “–address” “” “–port” “8100” “–livereload-port” “35729”’

I am not over concerned about this - after all it is only the development running in chrome - but is this normal?

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