deletions | additions       diff --git a/figures/Fig_4/Fig_4.png b/figures/Fig_4/Fig_4.png  new file mode 100644  index 0000000..7744240  Binary files /dev/null and b/figures/Fig_4/Fig_4.png differ diff --git a/figures/Fig_4/caption.tex b/figures/Fig_4/caption.tex  new file mode 100644  index 0000000..a8a1b0c  --- /dev/null  +++ b/figures/Fig_4/caption.tex 
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Replace this text with your caption  diff --git a/figures/Fig_4/size.tex b/figures/Fig_4/size.tex  new file mode 100644  index 0000000..2fcf78b  --- /dev/null  +++ b/figures/Fig_4/size.tex 
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height = 700\nwidth = 500  diff --git a/layout.md b/layout.md  index 96a9704..729fa58 100644  --- a/layout.md  +++ b/layout.md 
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Results_sleep.tex  figures/Fig_3/Fig_3.png  Results_clock.tex  figures/Fig_4/Fig_4.png  Results_knockdown.tex  figures/Fig_5/Fig_5.png  discussion.tex